Home / 16,130.52-22,261.91-9,417.80

Finding the Fourth Proportional to 16,130.52, 22,261.91 and 9,417.80

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Solution

The fourth proportional to 16,130.52, 22,261.91 and 9,417.80 is: 12,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.52 : 22,261.91 = 9,417.80 : x
  2. Step 2: Convert to fraction form
    16,130.52/22,261.91 = 9,417.80/x
  3. Step 3: Cross multiply
    16,130.52x = 22,261.91 × 9,417.80
  4. Step 4: Simplify right side
    16,130.52x = 209,658,216.00
  5. Step 5: Solve for x
    x = 209,658,216.00/16,130.52
  6. Step 6: Final answer
    x = 12,997.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.