Home / 25,160.96-34,722.95-13,830.86

Finding the Fourth Proportional to 25,160.96, 34,722.95 and 13,830.86

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Solution

The fourth proportional to 25,160.96, 34,722.95 and 13,830.86 is: 19,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,160.96 : 34,722.95 = 13,830.86 : x
  2. Step 2: Convert to fraction form
    25,160.96/34,722.95 = 13,830.86/x
  3. Step 3: Cross multiply
    25,160.96x = 34,722.95 × 13,830.86
  4. Step 4: Simplify right side
    25,160.96x = 480,248,017.47
  5. Step 5: Solve for x
    x = 480,248,017.47/25,160.96
  6. Step 6: Final answer
    x = 19,087.03

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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.