Home / 23,127.98-31,916.38-13,056.20

Finding the Fourth Proportional to 23,127.98, 31,916.38 and 13,056.20

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Solution

The fourth proportional to 23,127.98, 31,916.38 and 13,056.20 is: 18,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.98 : 31,916.38 = 13,056.20 : x
  2. Step 2: Convert to fraction form
    23,127.98/31,916.38 = 13,056.20/x
  3. Step 3: Cross multiply
    23,127.98x = 31,916.38 × 13,056.20
  4. Step 4: Simplify right side
    23,127.98x = 416,706,575.28
  5. Step 5: Solve for x
    x = 416,706,575.28/23,127.98
  6. Step 6: Final answer
    x = 18,017.43

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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.