Home / 23,531.56-32,462.15-15,580.45

Finding the Fourth Proportional to 23,531.56, 32,462.15 and 15,580.45

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Solution

The fourth proportional to 23,531.56, 32,462.15 and 15,580.45 is: 21,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,531.56 : 32,462.15 = 15,580.45 : x
  2. Step 2: Convert to fraction form
    23,531.56/32,462.15 = 15,580.45/x
  3. Step 3: Cross multiply
    23,531.56x = 32,462.15 × 15,580.45
  4. Step 4: Simplify right side
    23,531.56x = 505,774,742.66
  5. Step 5: Solve for x
    x = 505,774,742.66/23,531.56
  6. Step 6: Final answer
    x = 21,493.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.