Home / 21,612.42-29,816.10-14,541.12

Finding the Fourth Proportional to 21,612.42, 29,816.10 and 14,541.12

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Solution

The fourth proportional to 21,612.42, 29,816.10 and 14,541.12 is: 20,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.42 : 29,816.10 = 14,541.12 : x
  2. Step 2: Convert to fraction form
    21,612.42/29,816.10 = 14,541.12/x
  3. Step 3: Cross multiply
    21,612.42x = 29,816.10 × 14,541.12
  4. Step 4: Simplify right side
    21,612.42x = 433,559,488.03
  5. Step 5: Solve for x
    x = 433,559,488.03/21,612.42
  6. Step 6: Final answer
    x = 20,060.66

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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.