Home / 18,264.66-25,205.22-9,881.16

Finding the Fourth Proportional to 18,264.66, 25,205.22 and 9,881.16

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Solution

The fourth proportional to 18,264.66, 25,205.22 and 9,881.16 is: 13,635.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.66 : 25,205.22 = 9,881.16 : x
  2. Step 2: Convert to fraction form
    18,264.66/25,205.22 = 9,881.16/x
  3. Step 3: Cross multiply
    18,264.66x = 25,205.22 × 9,881.16
  4. Step 4: Simplify right side
    18,264.66x = 249,056,811.66
  5. Step 5: Solve for x
    x = 249,056,811.66/18,264.66
  6. Step 6: Final answer
    x = 13,635.99

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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.