Home / 18,937.04-26,180.35-14,213.12

Finding the Fourth Proportional to 18,937.04, 26,180.35 and 14,213.12

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Solution

The fourth proportional to 18,937.04, 26,180.35 and 14,213.12 is: 19,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.04 : 26,180.35 = 14,213.12 : x
  2. Step 2: Convert to fraction form
    18,937.04/26,180.35 = 14,213.12/x
  3. Step 3: Cross multiply
    18,937.04x = 26,180.35 × 14,213.12
  4. Step 4: Simplify right side
    18,937.04x = 372,104,289.76
  5. Step 5: Solve for x
    x = 372,104,289.76/18,937.04
  6. Step 6: Final answer
    x = 19,649.55

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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.