Home / 22,549.11-31,130.29-13,598.88

Finding the Fourth Proportional to 22,549.11, 31,130.29 and 13,598.88

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Solution

The fourth proportional to 22,549.11, 31,130.29 and 13,598.88 is: 18,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.11 : 31,130.29 = 13,598.88 : x
  2. Step 2: Convert to fraction form
    22,549.11/31,130.29 = 13,598.88/x
  3. Step 3: Cross multiply
    22,549.11x = 31,130.29 × 13,598.88
  4. Step 4: Simplify right side
    22,549.11x = 423,337,078.08
  5. Step 5: Solve for x
    x = 423,337,078.08/22,549.11
  6. Step 6: Final answer
    x = 18,774.00

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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.