Home / 18,713.73-25,823.40-10,645.24

Finding the Fourth Proportional to 18,713.73, 25,823.40 and 10,645.24

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Solution

The fourth proportional to 18,713.73, 25,823.40 and 10,645.24 is: 14,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.73 : 25,823.40 = 10,645.24 : x
  2. Step 2: Convert to fraction form
    18,713.73/25,823.40 = 10,645.24/x
  3. Step 3: Cross multiply
    18,713.73x = 25,823.40 × 10,645.24
  4. Step 4: Simplify right side
    18,713.73x = 274,896,341.42
  5. Step 5: Solve for x
    x = 274,896,341.42/18,713.73
  6. Step 6: Final answer
    x = 14,689.55

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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.