Home / 19,769.76-27,282.60-10,818.04

Finding the Fourth Proportional to 19,769.76, 27,282.60 and 10,818.04

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Solution

The fourth proportional to 19,769.76, 27,282.60 and 10,818.04 is: 14,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.76 : 27,282.60 = 10,818.04 : x
  2. Step 2: Convert to fraction form
    19,769.76/27,282.60 = 10,818.04/x
  3. Step 3: Cross multiply
    19,769.76x = 27,282.60 × 10,818.04
  4. Step 4: Simplify right side
    19,769.76x = 295,144,258.10
  5. Step 5: Solve for x
    x = 295,144,258.10/19,769.76
  6. Step 6: Final answer
    x = 14,929.08

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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.