Home / 19,538.12-29,272.38-16,928.84

Finding the Fourth Proportional to 19,538.12, 29,272.38 and 16,928.84

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Solution

The fourth proportional to 19,538.12, 29,272.38 and 16,928.84 is: 25,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.12 : 29,272.38 = 16,928.84 : x
  2. Step 2: Convert to fraction form
    19,538.12/29,272.38 = 16,928.84/x
  3. Step 3: Cross multiply
    19,538.12x = 29,272.38 × 16,928.84
  4. Step 4: Simplify right side
    19,538.12x = 495,547,437.44
  5. Step 5: Solve for x
    x = 495,547,437.44/19,538.12
  6. Step 6: Final answer
    x = 25,363.11

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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.