Home / 25,969.20-38,886.48-21,799.68

Finding the Fourth Proportional to 25,969.20, 38,886.48 and 21,799.68

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Solution

The fourth proportional to 25,969.20, 38,886.48 and 21,799.68 is: 32,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.20 : 38,886.48 = 21,799.68 : x
  2. Step 2: Convert to fraction form
    25,969.20/38,886.48 = 21,799.68/x
  3. Step 3: Cross multiply
    25,969.20x = 38,886.48 × 21,799.68
  4. Step 4: Simplify right side
    25,969.20x = 847,712,820.33
  5. Step 5: Solve for x
    x = 847,712,820.33/25,969.20
  6. Step 6: Final answer
    x = 32,643.01

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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.