Home / 25,903.77-38,856.48-7,182.21

Finding the Fourth Proportional to 25,903.77, 38,856.48 and 7,182.21

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Solution

The fourth proportional to 25,903.77, 38,856.48 and 7,182.21 is: 10,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.77 : 38,856.48 = 7,182.21 : x
  2. Step 2: Convert to fraction form
    25,903.77/38,856.48 = 7,182.21/x
  3. Step 3: Cross multiply
    25,903.77x = 38,856.48 × 7,182.21
  4. Step 4: Simplify right side
    25,903.77x = 279,075,399.22
  5. Step 5: Solve for x
    x = 279,075,399.22/25,903.77
  6. Step 6: Final answer
    x = 10,773.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.