Home / 14,585.60-20,117.03-12,572.48

Finding the Fourth Proportional to 14,585.60, 20,117.03 and 12,572.48

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Solution

The fourth proportional to 14,585.60, 20,117.03 and 12,572.48 is: 17,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.60 : 20,117.03 = 12,572.48 : x
  2. Step 2: Convert to fraction form
    14,585.60/20,117.03 = 12,572.48/x
  3. Step 3: Cross multiply
    14,585.60x = 20,117.03 × 12,572.48
  4. Step 4: Simplify right side
    14,585.60x = 252,920,944.76
  5. Step 5: Solve for x
    x = 252,920,944.76/14,585.60
  6. Step 6: Final answer
    x = 17,340.45

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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.