Home / 15,862.30-21,854.73-10,475.17

Finding the Fourth Proportional to 15,862.30, 21,854.73 and 10,475.17

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Solution

The fourth proportional to 15,862.30, 21,854.73 and 10,475.17 is: 14,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.30 : 21,854.73 = 10,475.17 : x
  2. Step 2: Convert to fraction form
    15,862.30/21,854.73 = 10,475.17/x
  3. Step 3: Cross multiply
    15,862.30x = 21,854.73 × 10,475.17
  4. Step 4: Simplify right side
    15,862.30x = 228,932,012.05
  5. Step 5: Solve for x
    x = 228,932,012.05/15,862.30
  6. Step 6: Final answer
    x = 14,432.46

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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.