Home / 13,132.11-19,698.18-5,340.93

Finding the Fourth Proportional to 13,132.11, 19,698.18 and 5,340.93

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Solution

The fourth proportional to 13,132.11, 19,698.18 and 5,340.93 is: 8,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.11 : 19,698.18 = 5,340.93 : x
  2. Step 2: Convert to fraction form
    13,132.11/19,698.18 = 5,340.93/x
  3. Step 3: Cross multiply
    13,132.11x = 19,698.18 × 5,340.93
  4. Step 4: Simplify right side
    13,132.11x = 105,206,600.51
  5. Step 5: Solve for x
    x = 105,206,600.51/13,132.11
  6. Step 6: Final answer
    x = 8,011.40

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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.