Home / 22,162.29-30,580.14-12,470.40

Finding the Fourth Proportional to 22,162.29, 30,580.14 and 12,470.40

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Solution

The fourth proportional to 22,162.29, 30,580.14 and 12,470.40 is: 17,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.29 : 30,580.14 = 12,470.40 : x
  2. Step 2: Convert to fraction form
    22,162.29/30,580.14 = 12,470.40/x
  3. Step 3: Cross multiply
    22,162.29x = 30,580.14 × 12,470.40
  4. Step 4: Simplify right side
    22,162.29x = 381,346,577.86
  5. Step 5: Solve for x
    x = 381,346,577.86/22,162.29
  6. Step 6: Final answer
    x = 17,207.00

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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.