Home / 15,478.24-23,220.56-7,572.96

Finding the Fourth Proportional to 15,478.24, 23,220.56 and 7,572.96

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Solution

The fourth proportional to 15,478.24, 23,220.56 and 7,572.96 is: 11,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.24 : 23,220.56 = 7,572.96 : x
  2. Step 2: Convert to fraction form
    15,478.24/23,220.56 = 7,572.96/x
  3. Step 3: Cross multiply
    15,478.24x = 23,220.56 × 7,572.96
  4. Step 4: Simplify right side
    15,478.24x = 175,848,372.06
  5. Step 5: Solve for x
    x = 175,848,372.06/15,478.24
  6. Step 6: Final answer
    x = 11,361.01

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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.