Home / 25,860.10-35,690.85-15,794.42

Finding the Fourth Proportional to 25,860.10, 35,690.85 and 15,794.42

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Solution

The fourth proportional to 25,860.10, 35,690.85 and 15,794.42 is: 21,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.10 : 35,690.85 = 15,794.42 : x
  2. Step 2: Convert to fraction form
    25,860.10/35,690.85 = 15,794.42/x
  3. Step 3: Cross multiply
    25,860.10x = 35,690.85 × 15,794.42
  4. Step 4: Simplify right side
    25,860.10x = 563,716,275.06
  5. Step 5: Solve for x
    x = 563,716,275.06/25,860.10
  6. Step 6: Final answer
    x = 21,798.69

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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.