Home / 12,160.17-18,145.04-10,585.53

Finding the Fourth Proportional to 12,160.17, 18,145.04 and 10,585.53

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Solution

The fourth proportional to 12,160.17, 18,145.04 and 10,585.53 is: 15,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.17 : 18,145.04 = 10,585.53 : x
  2. Step 2: Convert to fraction form
    12,160.17/18,145.04 = 10,585.53/x
  3. Step 3: Cross multiply
    12,160.17x = 18,145.04 × 10,585.53
  4. Step 4: Simplify right side
    12,160.17x = 192,074,812.34
  5. Step 5: Solve for x
    x = 192,074,812.34/12,160.17
  6. Step 6: Final answer
    x = 15,795.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.