Home / 23,058.18-31,799.07-15,387.93

Finding the Fourth Proportional to 23,058.18, 31,799.07 and 15,387.93

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Solution

The fourth proportional to 23,058.18, 31,799.07 and 15,387.93 is: 21,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,058.18 : 31,799.07 = 15,387.93 : x
  2. Step 2: Convert to fraction form
    23,058.18/31,799.07 = 15,387.93/x
  3. Step 3: Cross multiply
    23,058.18x = 31,799.07 × 15,387.93
  4. Step 4: Simplify right side
    23,058.18x = 489,321,863.23
  5. Step 5: Solve for x
    x = 489,321,863.23/23,058.18
  6. Step 6: Final answer
    x = 21,221.18

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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.