Home / 19,115.16-26,387.82-12,752.34

Finding the Fourth Proportional to 19,115.16, 26,387.82 and 12,752.34

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Solution

The fourth proportional to 19,115.16, 26,387.82 and 12,752.34 is: 17,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.16 : 26,387.82 = 12,752.34 : x
  2. Step 2: Convert to fraction form
    19,115.16/26,387.82 = 12,752.34/x
  3. Step 3: Cross multiply
    19,115.16x = 26,387.82 × 12,752.34
  4. Step 4: Simplify right side
    19,115.16x = 336,506,452.50
  5. Step 5: Solve for x
    x = 336,506,452.50/19,115.16
  6. Step 6: Final answer
    x = 17,604.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.