Home / 25,291.90-34,904.76-13,963.58

Finding the Fourth Proportional to 25,291.90, 34,904.76 and 13,963.58

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Solution

The fourth proportional to 25,291.90, 34,904.76 and 13,963.58 is: 19,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.90 : 34,904.76 = 13,963.58 : x
  2. Step 2: Convert to fraction form
    25,291.90/34,904.76 = 13,963.58/x
  3. Step 3: Cross multiply
    25,291.90x = 34,904.76 × 13,963.58
  4. Step 4: Simplify right side
    25,291.90x = 487,395,312.65
  5. Step 5: Solve for x
    x = 487,395,312.65/25,291.90
  6. Step 6: Final answer
    x = 19,270.81

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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.