Home / 19,875.29-27,429.65-10,924.54

Finding the Fourth Proportional to 19,875.29, 27,429.65 and 10,924.54

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Solution

The fourth proportional to 19,875.29, 27,429.65 and 10,924.54 is: 15,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.29 : 27,429.65 = 10,924.54 : x
  2. Step 2: Convert to fraction form
    19,875.29/27,429.65 = 10,924.54/x
  3. Step 3: Cross multiply
    19,875.29x = 27,429.65 × 10,924.54
  4. Step 4: Simplify right side
    19,875.29x = 299,656,299.60
  5. Step 5: Solve for x
    x = 299,656,299.60/19,875.29
  6. Step 6: Final answer
    x = 15,076.82

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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.