Home / 18,369.47-25,350.17-10,411.53

Finding the Fourth Proportional to 18,369.47, 25,350.17 and 10,411.53

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Solution

The fourth proportional to 18,369.47, 25,350.17 and 10,411.53 is: 14,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.47 : 25,350.17 = 10,411.53 : x
  2. Step 2: Convert to fraction form
    18,369.47/25,350.17 = 10,411.53/x
  3. Step 3: Cross multiply
    18,369.47x = 25,350.17 × 10,411.53
  4. Step 4: Simplify right side
    18,369.47x = 263,933,908.34
  5. Step 5: Solve for x
    x = 263,933,908.34/18,369.47
  6. Step 6: Final answer
    x = 14,368.07

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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.