Home / 16,752.24-25,128.90-8,427.72

Finding the Fourth Proportional to 16,752.24, 25,128.90 and 8,427.72

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Solution

The fourth proportional to 16,752.24, 25,128.90 and 8,427.72 is: 12,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.24 : 25,128.90 = 8,427.72 : x
  2. Step 2: Convert to fraction form
    16,752.24/25,128.90 = 8,427.72/x
  3. Step 3: Cross multiply
    16,752.24x = 25,128.90 × 8,427.72
  4. Step 4: Simplify right side
    16,752.24x = 211,779,333.11
  5. Step 5: Solve for x
    x = 211,779,333.11/16,752.24
  6. Step 6: Final answer
    x = 12,641.85

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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.