Home / 25,925.27-35,779.56-15,860.42

Finding the Fourth Proportional to 25,925.27, 35,779.56 and 15,860.42

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Solution

The fourth proportional to 25,925.27, 35,779.56 and 15,860.42 is: 21,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.27 : 35,779.56 = 15,860.42 : x
  2. Step 2: Convert to fraction form
    25,925.27/35,779.56 = 15,860.42/x
  3. Step 3: Cross multiply
    25,925.27x = 35,779.56 × 15,860.42
  4. Step 4: Simplify right side
    25,925.27x = 567,478,670.12
  5. Step 5: Solve for x
    x = 567,478,670.12/25,925.27
  6. Step 6: Final answer
    x = 21,889.02

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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.