Home / 14,764.07-20,369.17-9,019.55

Finding the Fourth Proportional to 14,764.07, 20,369.17 and 9,019.55

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Solution

The fourth proportional to 14,764.07, 20,369.17 and 9,019.55 is: 12,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.07 : 20,369.17 = 9,019.55 : x
  2. Step 2: Convert to fraction form
    14,764.07/20,369.17 = 9,019.55/x
  3. Step 3: Cross multiply
    14,764.07x = 20,369.17 × 9,019.55
  4. Step 4: Simplify right side
    14,764.07x = 183,720,809.47
  5. Step 5: Solve for x
    x = 183,720,809.47/14,764.07
  6. Step 6: Final answer
    x = 12,443.78

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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.