Home / 13,254.18-18,292.62-7,590.66

Finding the Fourth Proportional to 13,254.18, 18,292.62 and 7,590.66

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Solution

The fourth proportional to 13,254.18, 18,292.62 and 7,590.66 is: 10,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.18 : 18,292.62 = 7,590.66 : x
  2. Step 2: Convert to fraction form
    13,254.18/18,292.62 = 7,590.66/x
  3. Step 3: Cross multiply
    13,254.18x = 18,292.62 × 7,590.66
  4. Step 4: Simplify right side
    13,254.18x = 138,853,058.93
  5. Step 5: Solve for x
    x = 138,853,058.93/13,254.18
  6. Step 6: Final answer
    x = 10,476.17

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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.