Home / 19,923.17-27,484.74-12,851.87

Finding the Fourth Proportional to 19,923.17, 27,484.74 and 12,851.87

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Solution

The fourth proportional to 19,923.17, 27,484.74 and 12,851.87 is: 17,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.17 : 27,484.74 = 12,851.87 : x
  2. Step 2: Convert to fraction form
    19,923.17/27,484.74 = 12,851.87/x
  3. Step 3: Cross multiply
    19,923.17x = 27,484.74 × 12,851.87
  4. Step 4: Simplify right side
    19,923.17x = 353,230,305.46
  5. Step 5: Solve for x
    x = 353,230,305.46/19,923.17
  6. Step 6: Final answer
    x = 17,729.62

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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.