Home / 19,158.49-26,438.19-10,660.18

Finding the Fourth Proportional to 19,158.49, 26,438.19 and 10,660.18

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Solution

The fourth proportional to 19,158.49, 26,438.19 and 10,660.18 is: 14,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.49 : 26,438.19 = 10,660.18 : x
  2. Step 2: Convert to fraction form
    19,158.49/26,438.19 = 10,660.18/x
  3. Step 3: Cross multiply
    19,158.49x = 26,438.19 × 10,660.18
  4. Step 4: Simplify right side
    19,158.49x = 281,835,864.27
  5. Step 5: Solve for x
    x = 281,835,864.27/19,158.49
  6. Step 6: Final answer
    x = 14,710.76

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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.