Home / 28,295.11-42,467.17-11,667.03

Finding the Fourth Proportional to 28,295.11, 42,467.17 and 11,667.03

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Solution

The fourth proportional to 28,295.11, 42,467.17 and 11,667.03 is: 17,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.11 : 42,467.17 = 11,667.03 : x
  2. Step 2: Convert to fraction form
    28,295.11/42,467.17 = 11,667.03/x
  3. Step 3: Cross multiply
    28,295.11x = 42,467.17 × 11,667.03
  4. Step 4: Simplify right side
    28,295.11x = 495,465,746.41
  5. Step 5: Solve for x
    x = 495,465,746.41/28,295.11
  6. Step 6: Final answer
    x = 17,510.65

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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.