Home / 15,318.14-22,979.64-5,325.93

Finding the Fourth Proportional to 15,318.14, 22,979.64 and 5,325.93

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Solution

The fourth proportional to 15,318.14, 22,979.64 and 5,325.93 is: 7,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.14 : 22,979.64 = 5,325.93 : x
  2. Step 2: Convert to fraction form
    15,318.14/22,979.64 = 5,325.93/x
  3. Step 3: Cross multiply
    15,318.14x = 22,979.64 × 5,325.93
  4. Step 4: Simplify right side
    15,318.14x = 122,387,954.07
  5. Step 5: Solve for x
    x = 122,387,954.07/15,318.14
  6. Step 6: Final answer
    x = 7,989.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.