Home / 18,330.16-25,295.56-9,946.64

Finding the Fourth Proportional to 18,330.16, 25,295.56 and 9,946.64

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Solution

The fourth proportional to 18,330.16, 25,295.56 and 9,946.64 is: 13,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.16 : 25,295.56 = 9,946.64 : x
  2. Step 2: Convert to fraction form
    18,330.16/25,295.56 = 9,946.64/x
  3. Step 3: Cross multiply
    18,330.16x = 25,295.56 × 9,946.64
  4. Step 4: Simplify right side
    18,330.16x = 251,605,828.92
  5. Step 5: Solve for x
    x = 251,605,828.92/18,330.16
  6. Step 6: Final answer
    x = 13,726.33

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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.