Home / 13,417.86-20,132.28-6,020.40

Finding the Fourth Proportional to 13,417.86, 20,132.28 and 6,020.40

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Solution

The fourth proportional to 13,417.86, 20,132.28 and 6,020.40 is: 9,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.86 : 20,132.28 = 6,020.40 : x
  2. Step 2: Convert to fraction form
    13,417.86/20,132.28 = 6,020.40/x
  3. Step 3: Cross multiply
    13,417.86x = 20,132.28 × 6,020.40
  4. Step 4: Simplify right side
    13,417.86x = 121,204,378.51
  5. Step 5: Solve for x
    x = 121,204,378.51/13,417.86
  6. Step 6: Final answer
    x = 9,033.06

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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.