Home / 22,645.70-31,248.74-12,573.05

Finding the Fourth Proportional to 22,645.70, 31,248.74 and 12,573.05

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Solution

The fourth proportional to 22,645.70, 31,248.74 and 12,573.05 is: 17,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,645.70 : 31,248.74 = 12,573.05 : x
  2. Step 2: Convert to fraction form
    22,645.70/31,248.74 = 12,573.05/x
  3. Step 3: Cross multiply
    22,645.70x = 31,248.74 × 12,573.05
  4. Step 4: Simplify right side
    22,645.70x = 392,891,862.81
  5. Step 5: Solve for x
    x = 392,891,862.81/22,645.70
  6. Step 6: Final answer
    x = 17,349.51

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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.