Home / 22,643.51-31,248.41-12,572.60

Finding the Fourth Proportional to 22,643.51, 31,248.41 and 12,572.60

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Solution

The fourth proportional to 22,643.51, 31,248.41 and 12,572.60 is: 17,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.51 : 31,248.41 = 12,572.60 : x
  2. Step 2: Convert to fraction form
    22,643.51/31,248.41 = 12,572.60/x
  3. Step 3: Cross multiply
    22,643.51x = 31,248.41 × 12,572.60
  4. Step 4: Simplify right side
    22,643.51x = 392,873,540.46
  5. Step 5: Solve for x
    x = 392,873,540.46/22,643.51
  6. Step 6: Final answer
    x = 17,350.39

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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.