Home / 25,656.92-35,421.28-19,559.30

Finding the Fourth Proportional to 25,656.92, 35,421.28 and 19,559.30

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Solution

The fourth proportional to 25,656.92, 35,421.28 and 19,559.30 is: 27,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.92 : 35,421.28 = 19,559.30 : x
  2. Step 2: Convert to fraction form
    25,656.92/35,421.28 = 19,559.30/x
  3. Step 3: Cross multiply
    25,656.92x = 35,421.28 × 19,559.30
  4. Step 4: Simplify right side
    25,656.92x = 692,815,441.90
  5. Step 5: Solve for x
    x = 692,815,441.90/25,656.92
  6. Step 6: Final answer
    x = 27,003.06

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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.