Home / 27,031.19-40,546.80-13,875.17

Finding the Fourth Proportional to 27,031.19, 40,546.80 and 13,875.17

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Solution

The fourth proportional to 27,031.19, 40,546.80 and 13,875.17 is: 20,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.19 : 40,546.80 = 13,875.17 : x
  2. Step 2: Convert to fraction form
    27,031.19/40,546.80 = 13,875.17/x
  3. Step 3: Cross multiply
    27,031.19x = 40,546.80 × 13,875.17
  4. Step 4: Simplify right side
    27,031.19x = 562,593,540.22
  5. Step 5: Solve for x
    x = 562,593,540.22/27,031.19
  6. Step 6: Final answer
    x = 20,812.76

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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.