Home / 18,020.16-24,860.76-10,465.20

Finding the Fourth Proportional to 18,020.16, 24,860.76 and 10,465.20

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Solution

The fourth proportional to 18,020.16, 24,860.76 and 10,465.20 is: 14,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.16 : 24,860.76 = 10,465.20 : x
  2. Step 2: Convert to fraction form
    18,020.16/24,860.76 = 10,465.20/x
  3. Step 3: Cross multiply
    18,020.16x = 24,860.76 × 10,465.20
  4. Step 4: Simplify right side
    18,020.16x = 260,172,825.55
  5. Step 5: Solve for x
    x = 260,172,825.55/18,020.16
  6. Step 6: Final answer
    x = 14,437.88

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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.