Home / 16,887.78-25,332.98-5,040.65

Finding the Fourth Proportional to 16,887.78, 25,332.98 and 5,040.65

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Solution

The fourth proportional to 16,887.78, 25,332.98 and 5,040.65 is: 7,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.78 : 25,332.98 = 5,040.65 : x
  2. Step 2: Convert to fraction form
    16,887.78/25,332.98 = 5,040.65/x
  3. Step 3: Cross multiply
    16,887.78x = 25,332.98 × 5,040.65
  4. Step 4: Simplify right side
    16,887.78x = 127,694,533.77
  5. Step 5: Solve for x
    x = 127,694,533.77/16,887.78
  6. Step 6: Final answer
    x = 7,561.36

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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.