Home / 15,510.25-23,265.42-5,122.81

Finding the Fourth Proportional to 15,510.25, 23,265.42 and 5,122.81

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Solution

The fourth proportional to 15,510.25, 23,265.42 and 5,122.81 is: 7,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.25 : 23,265.42 = 5,122.81 : x
  2. Step 2: Convert to fraction form
    15,510.25/23,265.42 = 5,122.81/x
  3. Step 3: Cross multiply
    15,510.25x = 23,265.42 × 5,122.81
  4. Step 4: Simplify right side
    15,510.25x = 119,184,326.23
  5. Step 5: Solve for x
    x = 119,184,326.23/15,510.25
  6. Step 6: Final answer
    x = 7,684.23

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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.