Home / 15,422.16-23,130.84-5,031.60

Finding the Fourth Proportional to 15,422.16, 23,130.84 and 5,031.60

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Solution

The fourth proportional to 15,422.16, 23,130.84 and 5,031.60 is: 7,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.16 : 23,130.84 = 5,031.60 : x
  2. Step 2: Convert to fraction form
    15,422.16/23,130.84 = 5,031.60/x
  3. Step 3: Cross multiply
    15,422.16x = 23,130.84 × 5,031.60
  4. Step 4: Simplify right side
    15,422.16x = 116,385,134.54
  5. Step 5: Solve for x
    x = 116,385,134.54/15,422.16
  6. Step 6: Final answer
    x = 7,546.62

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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.