Home / 25,861.68-35,675.64-19,563.12

Finding the Fourth Proportional to 25,861.68, 35,675.64 and 19,563.12

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Solution

The fourth proportional to 25,861.68, 35,675.64 and 19,563.12 is: 26,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.68 : 35,675.64 = 19,563.12 : x
  2. Step 2: Convert to fraction form
    25,861.68/35,675.64 = 19,563.12/x
  3. Step 3: Cross multiply
    25,861.68x = 35,675.64 × 19,563.12
  4. Step 4: Simplify right side
    25,861.68x = 697,926,826.40
  5. Step 5: Solve for x
    x = 697,926,826.40/25,861.68
  6. Step 6: Final answer
    x = 26,986.91

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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.