Home / 15,012.48-22,523.56-7,220.28

Finding the Fourth Proportional to 15,012.48, 22,523.56 and 7,220.28

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Solution

The fourth proportional to 15,012.48, 22,523.56 and 7,220.28 is: 10,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.48 : 22,523.56 = 7,220.28 : x
  2. Step 2: Convert to fraction form
    15,012.48/22,523.56 = 7,220.28/x
  3. Step 3: Cross multiply
    15,012.48x = 22,523.56 × 7,220.28
  4. Step 4: Simplify right side
    15,012.48x = 162,626,409.80
  5. Step 5: Solve for x
    x = 162,626,409.80/15,012.48
  6. Step 6: Final answer
    x = 10,832.75

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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.