Home / 19,515.60-29,275.44-5,664.60

Finding the Fourth Proportional to 19,515.60, 29,275.44 and 5,664.60

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Solution

The fourth proportional to 19,515.60, 29,275.44 and 5,664.60 is: 8,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.60 : 29,275.44 = 5,664.60 : x
  2. Step 2: Convert to fraction form
    19,515.60/29,275.44 = 5,664.60/x
  3. Step 3: Cross multiply
    19,515.60x = 29,275.44 × 5,664.60
  4. Step 4: Simplify right side
    19,515.60x = 165,833,657.42
  5. Step 5: Solve for x
    x = 165,833,657.42/19,515.60
  6. Step 6: Final answer
    x = 8,497.49

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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.