Home / 16,752.11-25,128.72-8,427.59

Finding the Fourth Proportional to 16,752.11, 25,128.72 and 8,427.59

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Solution

The fourth proportional to 16,752.11, 25,128.72 and 8,427.59 is: 12,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,752.11 : 25,128.72 = 8,427.59 : x
  2. Step 2: Convert to fraction form
    16,752.11/25,128.72 = 8,427.59/x
  3. Step 3: Cross multiply
    16,752.11x = 25,128.72 × 8,427.59
  4. Step 4: Simplify right side
    16,752.11x = 211,774,423.74
  5. Step 5: Solve for x
    x = 211,774,423.74/16,752.11
  6. Step 6: Final answer
    x = 12,641.66

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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.