Home / 15,718.40-23,576.80-5,330.24

Finding the Fourth Proportional to 15,718.40, 23,576.80 and 5,330.24

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Solution

The fourth proportional to 15,718.40, 23,576.80 and 5,330.24 is: 7,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.40 : 23,576.80 = 5,330.24 : x
  2. Step 2: Convert to fraction form
    15,718.40/23,576.80 = 5,330.24/x
  3. Step 3: Cross multiply
    15,718.40x = 23,576.80 × 5,330.24
  4. Step 4: Simplify right side
    15,718.40x = 125,670,002.43
  5. Step 5: Solve for x
    x = 125,670,002.43/15,718.40
  6. Step 6: Final answer
    x = 7,995.09

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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.