Home / 18,282.68-25,230.18-9,899.24

Finding the Fourth Proportional to 18,282.68, 25,230.18 and 9,899.24

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Solution

The fourth proportional to 18,282.68, 25,230.18 and 9,899.24 is: 13,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.68 : 25,230.18 = 9,899.24 : x
  2. Step 2: Convert to fraction form
    18,282.68/25,230.18 = 9,899.24/x
  3. Step 3: Cross multiply
    18,282.68x = 25,230.18 × 9,899.24
  4. Step 4: Simplify right side
    18,282.68x = 249,759,607.06
  5. Step 5: Solve for x
    x = 249,759,607.06/18,282.68
  6. Step 6: Final answer
    x = 13,661.00

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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.