Home / 25,826.04-35,637.08-15,757.20

Finding the Fourth Proportional to 25,826.04, 35,637.08 and 15,757.20

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Solution

The fourth proportional to 25,826.04, 35,637.08 and 15,757.20 is: 21,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,826.04 : 35,637.08 = 15,757.20 : x
  2. Step 2: Convert to fraction form
    25,826.04/35,637.08 = 15,757.20/x
  3. Step 3: Cross multiply
    25,826.04x = 35,637.08 × 15,757.20
  4. Step 4: Simplify right side
    25,826.04x = 561,540,518.19
  5. Step 5: Solve for x
    x = 561,540,518.19/25,826.04
  6. Step 6: Final answer
    x = 21,743.19

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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.