Home / 15,172.02-22,749.78-6,842.28

Finding the Fourth Proportional to 15,172.02, 22,749.78 and 6,842.28

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Solution

The fourth proportional to 15,172.02, 22,749.78 and 6,842.28 is: 10,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.02 : 22,749.78 = 6,842.28 : x
  2. Step 2: Convert to fraction form
    15,172.02/22,749.78 = 6,842.28/x
  3. Step 3: Cross multiply
    15,172.02x = 22,749.78 × 6,842.28
  4. Step 4: Simplify right side
    15,172.02x = 155,660,364.70
  5. Step 5: Solve for x
    x = 155,660,364.70/15,172.02
  6. Step 6: Final answer
    x = 10,259.70

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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.