Home / 18,364.17-25,342.49-10,407.92

Finding the Fourth Proportional to 18,364.17, 25,342.49 and 10,407.92

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Solution

The fourth proportional to 18,364.17, 25,342.49 and 10,407.92 is: 14,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.17 : 25,342.49 = 10,407.92 : x
  2. Step 2: Convert to fraction form
    18,364.17/25,342.49 = 10,407.92/x
  3. Step 3: Cross multiply
    18,364.17x = 25,342.49 × 10,407.92
  4. Step 4: Simplify right side
    18,364.17x = 263,762,429.77
  5. Step 5: Solve for x
    x = 263,762,429.77/18,364.17
  6. Step 6: Final answer
    x = 14,362.88

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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.