Home / 25,742.74-35,533.74-15,135.52

Finding the Fourth Proportional to 25,742.74, 35,533.74 and 15,135.52

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Solution

The fourth proportional to 25,742.74, 35,533.74 and 15,135.52 is: 20,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.74 : 35,533.74 = 15,135.52 : x
  2. Step 2: Convert to fraction form
    25,742.74/35,533.74 = 15,135.52/x
  3. Step 3: Cross multiply
    25,742.74x = 35,533.74 × 15,135.52
  4. Step 4: Simplify right side
    25,742.74x = 537,821,632.44
  5. Step 5: Solve for x
    x = 537,821,632.44/25,742.74
  6. Step 6: Final answer
    x = 20,892.17

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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.