Home / 13,510.08-20,265.33-4,745.10

Finding the Fourth Proportional to 13,510.08, 20,265.33 and 4,745.10

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Solution

The fourth proportional to 13,510.08, 20,265.33 and 4,745.10 is: 7,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.08 : 20,265.33 = 4,745.10 : x
  2. Step 2: Convert to fraction form
    13,510.08/20,265.33 = 4,745.10/x
  3. Step 3: Cross multiply
    13,510.08x = 20,265.33 × 4,745.10
  4. Step 4: Simplify right side
    13,510.08x = 96,161,017.38
  5. Step 5: Solve for x
    x = 96,161,017.38/13,510.08
  6. Step 6: Final answer
    x = 7,117.72

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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.