Home / 19,332.40-28,937.04-15,392.56

Finding the Fourth Proportional to 19,332.40, 28,937.04 and 15,392.56

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Solution

The fourth proportional to 19,332.40, 28,937.04 and 15,392.56 is: 23,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.40 : 28,937.04 = 15,392.56 : x
  2. Step 2: Convert to fraction form
    19,332.40/28,937.04 = 15,392.56/x
  3. Step 3: Cross multiply
    19,332.40x = 28,937.04 × 15,392.56
  4. Step 4: Simplify right side
    19,332.40x = 445,415,124.42
  5. Step 5: Solve for x
    x = 445,415,124.42/19,332.40
  6. Step 6: Final answer
    x = 23,039.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.