Home / 22,461.16-30,990.18-14,503.72

Finding the Fourth Proportional to 22,461.16, 30,990.18 and 14,503.72

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Solution

The fourth proportional to 22,461.16, 30,990.18 and 14,503.72 is: 20,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.16 : 30,990.18 = 14,503.72 : x
  2. Step 2: Convert to fraction form
    22,461.16/30,990.18 = 14,503.72/x
  3. Step 3: Cross multiply
    22,461.16x = 30,990.18 × 14,503.72
  4. Step 4: Simplify right side
    22,461.16x = 449,472,893.47
  5. Step 5: Solve for x
    x = 449,472,893.47/22,461.16
  6. Step 6: Final answer
    x = 20,011.12

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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.