Home / 23,187.52-32,002.80-13,756.68

Finding the Fourth Proportional to 23,187.52, 32,002.80 and 13,756.68

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Solution

The fourth proportional to 23,187.52, 32,002.80 and 13,756.68 is: 18,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.52 : 32,002.80 = 13,756.68 : x
  2. Step 2: Convert to fraction form
    23,187.52/32,002.80 = 13,756.68/x
  3. Step 3: Cross multiply
    23,187.52x = 32,002.80 × 13,756.68
  4. Step 4: Simplify right side
    23,187.52x = 440,252,278.70
  5. Step 5: Solve for x
    x = 440,252,278.70/23,187.52
  6. Step 6: Final answer
    x = 18,986.60

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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.