Home / 18,490.52-25,516.50-10,106.84

Finding the Fourth Proportional to 18,490.52, 25,516.50 and 10,106.84

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Solution

The fourth proportional to 18,490.52, 25,516.50 and 10,106.84 is: 13,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.52 : 25,516.50 = 10,106.84 : x
  2. Step 2: Convert to fraction form
    18,490.52/25,516.50 = 10,106.84/x
  3. Step 3: Cross multiply
    18,490.52x = 25,516.50 × 10,106.84
  4. Step 4: Simplify right side
    18,490.52x = 257,891,182.86
  5. Step 5: Solve for x
    x = 257,891,182.86/18,490.52
  6. Step 6: Final answer
    x = 13,947.21

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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.