Home / 22,501.13-31,051.55-12,565.13

Finding the Fourth Proportional to 22,501.13, 31,051.55 and 12,565.13

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Solution

The fourth proportional to 22,501.13, 31,051.55 and 12,565.13 is: 17,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,501.13 : 31,051.55 = 12,565.13 : x
  2. Step 2: Convert to fraction form
    22,501.13/31,051.55 = 12,565.13/x
  3. Step 3: Cross multiply
    22,501.13x = 31,051.55 × 12,565.13
  4. Step 4: Simplify right side
    22,501.13x = 390,166,638.61
  5. Step 5: Solve for x
    x = 390,166,638.61/22,501.13
  6. Step 6: Final answer
    x = 17,339.87

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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.