Home / 16,240.19-22,389.29-12,148.20

Finding the Fourth Proportional to 16,240.19, 22,389.29 and 12,148.20

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Solution

The fourth proportional to 16,240.19, 22,389.29 and 12,148.20 is: 16,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.19 : 22,389.29 = 12,148.20 : x
  2. Step 2: Convert to fraction form
    16,240.19/22,389.29 = 12,148.20/x
  3. Step 3: Cross multiply
    16,240.19x = 22,389.29 × 12,148.20
  4. Step 4: Simplify right side
    16,240.19x = 271,989,512.04
  5. Step 5: Solve for x
    x = 271,989,512.04/16,240.19
  6. Step 6: Final answer
    x = 16,747.93

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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.