Home / 22,612.61-31,205.49-12,541.99

Finding the Fourth Proportional to 22,612.61, 31,205.49 and 12,541.99

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Solution

The fourth proportional to 22,612.61, 31,205.49 and 12,541.99 is: 17,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.61 : 31,205.49 = 12,541.99 : x
  2. Step 2: Convert to fraction form
    22,612.61/31,205.49 = 12,541.99/x
  3. Step 3: Cross multiply
    22,612.61x = 31,205.49 × 12,541.99
  4. Step 4: Simplify right side
    22,612.61x = 391,378,943.53
  5. Step 5: Solve for x
    x = 391,378,943.53/22,612.61
  6. Step 6: Final answer
    x = 17,308.00

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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.