Home / 25,925.52-35,779.91-15,860.66

Finding the Fourth Proportional to 25,925.52, 35,779.91 and 15,860.66

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Solution

The fourth proportional to 25,925.52, 35,779.91 and 15,860.66 is: 21,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.52 : 35,779.91 = 15,860.66 : x
  2. Step 2: Convert to fraction form
    25,925.52/35,779.91 = 15,860.66/x
  3. Step 3: Cross multiply
    25,925.52x = 35,779.91 × 15,860.66
  4. Step 4: Simplify right side
    25,925.52x = 567,492,997.49
  5. Step 5: Solve for x
    x = 567,492,997.49/25,925.52
  6. Step 6: Final answer
    x = 21,889.36

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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.