Home / 15,720.28-23,574.36-6,950.38

Finding the Fourth Proportional to 15,720.28, 23,574.36 and 6,950.38

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Solution

The fourth proportional to 15,720.28, 23,574.36 and 6,950.38 is: 10,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.28 : 23,574.36 = 6,950.38 : x
  2. Step 2: Convert to fraction form
    15,720.28/23,574.36 = 6,950.38/x
  3. Step 3: Cross multiply
    15,720.28x = 23,574.36 × 6,950.38
  4. Step 4: Simplify right side
    15,720.28x = 163,850,760.26
  5. Step 5: Solve for x
    x = 163,850,760.26/15,720.28
  6. Step 6: Final answer
    x = 10,422.89

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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.