Home / 23,010.08-31,753.28-12,938.26

Finding the Fourth Proportional to 23,010.08, 31,753.28 and 12,938.26

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Solution

The fourth proportional to 23,010.08, 31,753.28 and 12,938.26 is: 17,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,010.08 : 31,753.28 = 12,938.26 : x
  2. Step 2: Convert to fraction form
    23,010.08/31,753.28 = 12,938.26/x
  3. Step 3: Cross multiply
    23,010.08x = 31,753.28 × 12,938.26
  4. Step 4: Simplify right side
    23,010.08x = 410,832,195.06
  5. Step 5: Solve for x
    x = 410,832,195.06/23,010.08
  6. Step 6: Final answer
    x = 17,854.45

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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.