Home / 25,160.96-34,722.53-13,830.93

Finding the Fourth Proportional to 25,160.96, 34,722.53 and 13,830.93

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Solution

The fourth proportional to 25,160.96, 34,722.53 and 13,830.93 is: 19,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.96 : 34,722.53 = 13,830.93 : x
  2. Step 2: Convert to fraction form
    25,160.96/34,722.53 = 13,830.93/x
  3. Step 3: Cross multiply
    25,160.96x = 34,722.53 × 13,830.93
  4. Step 4: Simplify right side
    25,160.96x = 480,244,812.70
  5. Step 5: Solve for x
    x = 480,244,812.70/25,160.96
  6. Step 6: Final answer
    x = 19,086.91

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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.