Home / 20,010.60-27,615.18-11,058.66

Finding the Fourth Proportional to 20,010.60, 27,615.18 and 11,058.66

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Solution

The fourth proportional to 20,010.60, 27,615.18 and 11,058.66 is: 15,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.60 : 27,615.18 = 11,058.66 : x
  2. Step 2: Convert to fraction form
    20,010.60/27,615.18 = 11,058.66/x
  3. Step 3: Cross multiply
    20,010.60x = 27,615.18 × 11,058.66
  4. Step 4: Simplify right side
    20,010.60x = 305,386,831.17
  5. Step 5: Solve for x
    x = 305,386,831.17/20,010.60
  6. Step 6: Final answer
    x = 15,261.26

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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.