Home / 18,275.57-25,220.34-9,892.07

Finding the Fourth Proportional to 18,275.57, 25,220.34 and 9,892.07

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Solution

The fourth proportional to 18,275.57, 25,220.34 and 9,892.07 is: 13,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.57 : 25,220.34 = 9,892.07 : x
  2. Step 2: Convert to fraction form
    18,275.57/25,220.34 = 9,892.07/x
  3. Step 3: Cross multiply
    18,275.57x = 25,220.34 × 9,892.07
  4. Step 4: Simplify right side
    18,275.57x = 249,481,242.60
  5. Step 5: Solve for x
    x = 249,481,242.60/18,275.57
  6. Step 6: Final answer
    x = 13,651.08

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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.