Home / 25,379.70-38,043.63-17,966.58

Finding the Fourth Proportional to 25,379.70, 38,043.63 and 17,966.58

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Solution

The fourth proportional to 25,379.70, 38,043.63 and 17,966.58 is: 26,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.70 : 38,043.63 = 17,966.58 : x
  2. Step 2: Convert to fraction form
    25,379.70/38,043.63 = 17,966.58/x
  3. Step 3: Cross multiply
    25,379.70x = 38,043.63 × 17,966.58
  4. Step 4: Simplify right side
    25,379.70x = 683,513,921.89
  5. Step 5: Solve for x
    x = 683,513,921.89/25,379.70
  6. Step 6: Final answer
    x = 26,931.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.