Home / 18,078.79-24,948.47-10,011.68

Finding the Fourth Proportional to 18,078.79, 24,948.47 and 10,011.68

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Solution

The fourth proportional to 18,078.79, 24,948.47 and 10,011.68 is: 13,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.79 : 24,948.47 = 10,011.68 : x
  2. Step 2: Convert to fraction form
    18,078.79/24,948.47 = 10,011.68/x
  3. Step 3: Cross multiply
    18,078.79x = 24,948.47 × 10,011.68
  4. Step 4: Simplify right side
    18,078.79x = 249,776,098.13
  5. Step 5: Solve for x
    x = 249,776,098.13/18,078.79
  6. Step 6: Final answer
    x = 13,815.97

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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.