Home / 19,368.90-29,064.15-8,273.70

Finding the Fourth Proportional to 19,368.90, 29,064.15 and 8,273.70

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Solution

The fourth proportional to 19,368.90, 29,064.15 and 8,273.70 is: 12,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.90 : 29,064.15 = 8,273.70 : x
  2. Step 2: Convert to fraction form
    19,368.90/29,064.15 = 8,273.70/x
  3. Step 3: Cross multiply
    19,368.90x = 29,064.15 × 8,273.70
  4. Step 4: Simplify right side
    19,368.90x = 240,468,057.86
  5. Step 5: Solve for x
    x = 240,468,057.86/19,368.90
  6. Step 6: Final answer
    x = 12,415.16

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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.