Home / 15,053.18-20,766.71-10,579.85

Finding the Fourth Proportional to 15,053.18, 20,766.71 and 10,579.85

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Solution

The fourth proportional to 15,053.18, 20,766.71 and 10,579.85 is: 14,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.18 : 20,766.71 = 10,579.85 : x
  2. Step 2: Convert to fraction form
    15,053.18/20,766.71 = 10,579.85/x
  3. Step 3: Cross multiply
    15,053.18x = 20,766.71 × 10,579.85
  4. Step 4: Simplify right side
    15,053.18x = 219,708,677.28
  5. Step 5: Solve for x
    x = 219,708,677.28/15,053.18
  6. Step 6: Final answer
    x = 14,595.50

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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.