Home / 25,849.64-35,671.58-15,794.90

Finding the Fourth Proportional to 25,849.64, 35,671.58 and 15,794.90

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Solution

The fourth proportional to 25,849.64, 35,671.58 and 15,794.90 is: 21,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.64 : 35,671.58 = 15,794.90 : x
  2. Step 2: Convert to fraction form
    25,849.64/35,671.58 = 15,794.90/x
  3. Step 3: Cross multiply
    25,849.64x = 35,671.58 × 15,794.90
  4. Step 4: Simplify right side
    25,849.64x = 563,429,038.94
  5. Step 5: Solve for x
    x = 563,429,038.94/25,849.64
  6. Step 6: Final answer
    x = 21,796.40

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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.