Home / 16,947.60-25,423.80-5,259.60

Finding the Fourth Proportional to 16,947.60, 25,423.80 and 5,259.60

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Solution

The fourth proportional to 16,947.60, 25,423.80 and 5,259.60 is: 7,890.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.60 : 25,423.80 = 5,259.60 : x
  2. Step 2: Convert to fraction form
    16,947.60/25,423.80 = 5,259.60/x
  3. Step 3: Cross multiply
    16,947.60x = 25,423.80 × 5,259.60
  4. Step 4: Simplify right side
    16,947.60x = 133,719,018.48
  5. Step 5: Solve for x
    x = 133,719,018.48/16,947.60
  6. Step 6: Final answer
    x = 7,890.14

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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.