Home / 19,195.32-28,744.02-15,305.40

Finding the Fourth Proportional to 19,195.32, 28,744.02 and 15,305.40

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Solution

The fourth proportional to 19,195.32, 28,744.02 and 15,305.40 is: 22,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.32 : 28,744.02 = 15,305.40 : x
  2. Step 2: Convert to fraction form
    19,195.32/28,744.02 = 15,305.40/x
  3. Step 3: Cross multiply
    19,195.32x = 28,744.02 × 15,305.40
  4. Step 4: Simplify right side
    19,195.32x = 439,938,723.71
  5. Step 5: Solve for x
    x = 439,938,723.71/19,195.32
  6. Step 6: Final answer
    x = 22,919.06

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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.