Home / 18,330.16-25,295.63-9,946.66

Finding the Fourth Proportional to 18,330.16, 25,295.63 and 9,946.66

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Solution

The fourth proportional to 18,330.16, 25,295.63 and 9,946.66 is: 13,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.16 : 25,295.63 = 9,946.66 : x
  2. Step 2: Convert to fraction form
    18,330.16/25,295.63 = 9,946.66/x
  3. Step 3: Cross multiply
    18,330.16x = 25,295.63 × 9,946.66
  4. Step 4: Simplify right side
    18,330.16x = 251,607,031.10
  5. Step 5: Solve for x
    x = 251,607,031.10/18,330.16
  6. Step 6: Final answer
    x = 13,726.40

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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.