Home / 18,585.17-25,643.68-11,030.43

Finding the Fourth Proportional to 18,585.17, 25,643.68 and 11,030.43

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Solution

The fourth proportional to 18,585.17, 25,643.68 and 11,030.43 is: 15,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.17 : 25,643.68 = 11,030.43 : x
  2. Step 2: Convert to fraction form
    18,585.17/25,643.68 = 11,030.43/x
  3. Step 3: Cross multiply
    18,585.17x = 25,643.68 × 11,030.43
  4. Step 4: Simplify right side
    18,585.17x = 282,860,817.18
  5. Step 5: Solve for x
    x = 282,860,817.18/18,585.17
  6. Step 6: Final answer
    x = 15,219.71

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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.