Home / 19,048.13-28,585.15-11,455.59

Finding the Fourth Proportional to 19,048.13, 28,585.15 and 11,455.59

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Solution

The fourth proportional to 19,048.13, 28,585.15 and 11,455.59 is: 17,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.13 : 28,585.15 = 11,455.59 : x
  2. Step 2: Convert to fraction form
    19,048.13/28,585.15 = 11,455.59/x
  3. Step 3: Cross multiply
    19,048.13x = 28,585.15 × 11,455.59
  4. Step 4: Simplify right side
    19,048.13x = 327,459,729.85
  5. Step 5: Solve for x
    x = 327,459,729.85/19,048.13
  6. Step 6: Final answer
    x = 17,191.18

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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.