Home / 15,704.28-23,547.54-5,171.46

Finding the Fourth Proportional to 15,704.28, 23,547.54 and 5,171.46

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Solution

The fourth proportional to 15,704.28, 23,547.54 and 5,171.46 is: 7,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.28 : 23,547.54 = 5,171.46 : x
  2. Step 2: Convert to fraction form
    15,704.28/23,547.54 = 5,171.46/x
  3. Step 3: Cross multiply
    15,704.28x = 23,547.54 × 5,171.46
  4. Step 4: Simplify right side
    15,704.28x = 121,775,161.21
  5. Step 5: Solve for x
    x = 121,775,161.21/15,704.28
  6. Step 6: Final answer
    x = 7,754.27

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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.