Home / 19,443.60-29,167.47-5,403.69

Finding the Fourth Proportional to 19,443.60, 29,167.47 and 5,403.69

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Solution

The fourth proportional to 19,443.60, 29,167.47 and 5,403.69 is: 8,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.60 : 29,167.47 = 5,403.69 : x
  2. Step 2: Convert to fraction form
    19,443.60/29,167.47 = 5,403.69/x
  3. Step 3: Cross multiply
    19,443.60x = 29,167.47 × 5,403.69
  4. Step 4: Simplify right side
    19,443.60x = 157,611,965.96
  5. Step 5: Solve for x
    x = 157,611,965.96/19,443.60
  6. Step 6: Final answer
    x = 8,106.11

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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.