Home / 16,276.40-22,461.48-9,203.28

Finding the Fourth Proportional to 16,276.40, 22,461.48 and 9,203.28

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Solution

The fourth proportional to 16,276.40, 22,461.48 and 9,203.28 is: 12,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,276.40 : 22,461.48 = 9,203.28 : x
  2. Step 2: Convert to fraction form
    16,276.40/22,461.48 = 9,203.28/x
  3. Step 3: Cross multiply
    16,276.40x = 22,461.48 × 9,203.28
  4. Step 4: Simplify right side
    16,276.40x = 206,719,289.65
  5. Step 5: Solve for x
    x = 206,719,289.65/16,276.40
  6. Step 6: Final answer
    x = 12,700.55

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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.