Home / 13,925.85-20,838.87-12,058.18

Finding the Fourth Proportional to 13,925.85, 20,838.87 and 12,058.18

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Solution

The fourth proportional to 13,925.85, 20,838.87 and 12,058.18 is: 18,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.85 : 20,838.87 = 12,058.18 : x
  2. Step 2: Convert to fraction form
    13,925.85/20,838.87 = 12,058.18/x
  3. Step 3: Cross multiply
    13,925.85x = 20,838.87 × 12,058.18
  4. Step 4: Simplify right side
    13,925.85x = 251,278,748.14
  5. Step 5: Solve for x
    x = 251,278,748.14/13,925.85
  6. Step 6: Final answer
    x = 18,044.06

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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.