Home / 16,943.18-23,381.60-9,389.52

Finding the Fourth Proportional to 16,943.18, 23,381.60 and 9,389.52

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Solution

The fourth proportional to 16,943.18, 23,381.60 and 9,389.52 is: 12,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.18 : 23,381.60 = 9,389.52 : x
  2. Step 2: Convert to fraction form
    16,943.18/23,381.60 = 9,389.52/x
  3. Step 3: Cross multiply
    16,943.18x = 23,381.60 × 9,389.52
  4. Step 4: Simplify right side
    16,943.18x = 219,541,953.88
  5. Step 5: Solve for x
    x = 219,541,953.88/16,943.18
  6. Step 6: Final answer
    x = 12,957.55

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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.