Home / 25,331.77-34,956.75-14,000.68

Finding the Fourth Proportional to 25,331.77, 34,956.75 and 14,000.68

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Solution

The fourth proportional to 25,331.77, 34,956.75 and 14,000.68 is: 19,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.77 : 34,956.75 = 14,000.68 : x
  2. Step 2: Convert to fraction form
    25,331.77/34,956.75 = 14,000.68/x
  3. Step 3: Cross multiply
    25,331.77x = 34,956.75 × 14,000.68
  4. Step 4: Simplify right side
    25,331.77x = 489,418,095.81
  5. Step 5: Solve for x
    x = 489,418,095.81/25,331.77
  6. Step 6: Final answer
    x = 19,320.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.