Home / 25,285.32-34,855.38-18,209.16

Finding the Fourth Proportional to 25,285.32, 34,855.38 and 18,209.16

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Solution

The fourth proportional to 25,285.32, 34,855.38 and 18,209.16 is: 25,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.32 : 34,855.38 = 18,209.16 : x
  2. Step 2: Convert to fraction form
    25,285.32/34,855.38 = 18,209.16/x
  3. Step 3: Cross multiply
    25,285.32x = 34,855.38 × 18,209.16
  4. Step 4: Simplify right side
    25,285.32x = 634,687,191.28
  5. Step 5: Solve for x
    x = 634,687,191.28/25,285.32
  6. Step 6: Final answer
    x = 25,101.01

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Half scale
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Double scale
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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.