Home / 52,191.27-78,291.12-14,751.64

Finding the Fourth Proportional to 52,191.27, 78,291.12 and 14,751.64

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Solution

The fourth proportional to 52,191.27, 78,291.12 and 14,751.64 is: 22,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191.27 : 78,291.12 = 14,751.64 : x
  2. Step 2: Convert to fraction form
    52,191.27/78,291.12 = 14,751.64/x
  3. Step 3: Cross multiply
    52,191.27x = 78,291.12 × 14,751.64
  4. Step 4: Simplify right side
    52,191.27x = 1,154,922,417.44
  5. Step 5: Solve for x
    x = 1,154,922,417.44/52,191.27
  6. Step 6: Final answer
    x = 22,128.65

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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.