Home / 19,159.79-26,438.42-10,660.57

Finding the Fourth Proportional to 19,159.79, 26,438.42 and 10,660.57

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Solution

The fourth proportional to 19,159.79, 26,438.42 and 10,660.57 is: 14,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.79 : 26,438.42 = 10,660.57 : x
  2. Step 2: Convert to fraction form
    19,159.79/26,438.42 = 10,660.57/x
  3. Step 3: Cross multiply
    19,159.79x = 26,438.42 × 10,660.57
  4. Step 4: Simplify right side
    19,159.79x = 281,848,587.65
  5. Step 5: Solve for x
    x = 281,848,587.65/19,159.79
  6. Step 6: Final answer
    x = 14,710.43

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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.