Home / 29,187.12-43,791.02-14,406.40

Finding the Fourth Proportional to 29,187.12, 43,791.02 and 14,406.40

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Solution

The fourth proportional to 29,187.12, 43,791.02 and 14,406.40 is: 21,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.12 : 43,791.02 = 14,406.40 : x
  2. Step 2: Convert to fraction form
    29,187.12/43,791.02 = 14,406.40/x
  3. Step 3: Cross multiply
    29,187.12x = 43,791.02 × 14,406.40
  4. Step 4: Simplify right side
    29,187.12x = 630,870,950.53
  5. Step 5: Solve for x
    x = 630,870,950.53/29,187.12
  6. Step 6: Final answer
    x = 21,614.70

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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.