Home / 18,266.16-25,207.32-9,882.64

Finding the Fourth Proportional to 18,266.16, 25,207.32 and 9,882.64

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Solution

The fourth proportional to 18,266.16, 25,207.32 and 9,882.64 is: 13,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.16 : 25,207.32 = 9,882.64 : x
  2. Step 2: Convert to fraction form
    18,266.16/25,207.32 = 9,882.64/x
  3. Step 3: Cross multiply
    18,266.16x = 25,207.32 × 9,882.64
  4. Step 4: Simplify right side
    18,266.16x = 249,114,868.92
  5. Step 5: Solve for x
    x = 249,114,868.92/18,266.16
  6. Step 6: Final answer
    x = 13,638.05

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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.