Home / 18,117.52-24,976.50-16,003.40

Finding the Fourth Proportional to 18,117.52, 24,976.50 and 16,003.40

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Solution

The fourth proportional to 18,117.52, 24,976.50 and 16,003.40 is: 22,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.52 : 24,976.50 = 16,003.40 : x
  2. Step 2: Convert to fraction form
    18,117.52/24,976.50 = 16,003.40/x
  3. Step 3: Cross multiply
    18,117.52x = 24,976.50 × 16,003.40
  4. Step 4: Simplify right side
    18,117.52x = 399,708,920.10
  5. Step 5: Solve for x
    x = 399,708,920.10/18,117.52
  6. Step 6: Final answer
    x = 22,062.01

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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.