Home / 13,386.15-20,079.57-4,501.82

Finding the Fourth Proportional to 13,386.15, 20,079.57 and 4,501.82

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Solution

The fourth proportional to 13,386.15, 20,079.57 and 4,501.82 is: 6,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.15 : 20,079.57 = 4,501.82 : x
  2. Step 2: Convert to fraction form
    13,386.15/20,079.57 = 4,501.82/x
  3. Step 3: Cross multiply
    13,386.15x = 20,079.57 × 4,501.82
  4. Step 4: Simplify right side
    13,386.15x = 90,394,509.42
  5. Step 5: Solve for x
    x = 90,394,509.42/13,386.15
  6. Step 6: Final answer
    x = 6,752.84

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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.