Home / 22,504.95-31,058.47-13,557.39

Finding the Fourth Proportional to 22,504.95, 31,058.47 and 13,557.39

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Solution

The fourth proportional to 22,504.95, 31,058.47 and 13,557.39 is: 18,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.95 : 31,058.47 = 13,557.39 : x
  2. Step 2: Convert to fraction form
    22,504.95/31,058.47 = 13,557.39/x
  3. Step 3: Cross multiply
    22,504.95x = 31,058.47 × 13,557.39
  4. Step 4: Simplify right side
    22,504.95x = 421,071,691.07
  5. Step 5: Solve for x
    x = 421,071,691.07/22,504.95
  6. Step 6: Final answer
    x = 18,710.18

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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.