Home / 22,598.10-31,184.58-13,644.78

Finding the Fourth Proportional to 22,598.10, 31,184.58 and 13,644.78

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Solution

The fourth proportional to 22,598.10, 31,184.58 and 13,644.78 is: 18,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,598.10 : 31,184.58 = 13,644.78 : x
  2. Step 2: Convert to fraction form
    22,598.10/31,184.58 = 13,644.78/x
  3. Step 3: Cross multiply
    22,598.10x = 31,184.58 × 13,644.78
  4. Step 4: Simplify right side
    22,598.10x = 425,506,733.49
  5. Step 5: Solve for x
    x = 425,506,733.49/22,598.10
  6. Step 6: Final answer
    x = 18,829.31

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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.