Home / 19,478.56-29,243.76-10,251.04

Finding the Fourth Proportional to 19,478.56, 29,243.76 and 10,251.04

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Solution

The fourth proportional to 19,478.56, 29,243.76 and 10,251.04 is: 15,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.56 : 29,243.76 = 10,251.04 : x
  2. Step 2: Convert to fraction form
    19,478.56/29,243.76 = 10,251.04/x
  3. Step 3: Cross multiply
    19,478.56x = 29,243.76 × 10,251.04
  4. Step 4: Simplify right side
    19,478.56x = 299,778,953.51
  5. Step 5: Solve for x
    x = 299,778,953.51/19,478.56
  6. Step 6: Final answer
    x = 15,390.20

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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.