Home / 25,725.60-35,502.98-14,396.40

Finding the Fourth Proportional to 25,725.60, 35,502.98 and 14,396.40

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Solution

The fourth proportional to 25,725.60, 35,502.98 and 14,396.40 is: 19,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.60 : 35,502.98 = 14,396.40 : x
  2. Step 2: Convert to fraction form
    25,725.60/35,502.98 = 14,396.40/x
  3. Step 3: Cross multiply
    25,725.60x = 35,502.98 × 14,396.40
  4. Step 4: Simplify right side
    25,725.60x = 511,115,029.29
  5. Step 5: Solve for x
    x = 511,115,029.29/25,725.60
  6. Step 6: Final answer
    x = 19,867.95

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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.