Home / 25,115.36-34,659.24-13,784.93

Finding the Fourth Proportional to 25,115.36, 34,659.24 and 13,784.93

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Solution

The fourth proportional to 25,115.36, 34,659.24 and 13,784.93 is: 19,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.36 : 34,659.24 = 13,784.93 : x
  2. Step 2: Convert to fraction form
    25,115.36/34,659.24 = 13,784.93/x
  3. Step 3: Cross multiply
    25,115.36x = 34,659.24 × 13,784.93
  4. Step 4: Simplify right side
    25,115.36x = 477,775,197.25
  5. Step 5: Solve for x
    x = 477,775,197.25/25,115.36
  6. Step 6: Final answer
    x = 19,023.23

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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.