Home / 25,739.90-35,518.47-14,408.66

Finding the Fourth Proportional to 25,739.90, 35,518.47 and 14,408.66

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Solution

The fourth proportional to 25,739.90, 35,518.47 and 14,408.66 is: 19,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.90 : 35,518.47 = 14,408.66 : x
  2. Step 2: Convert to fraction form
    25,739.90/35,518.47 = 14,408.66/x
  3. Step 3: Cross multiply
    25,739.90x = 35,518.47 × 14,408.66
  4. Step 4: Simplify right side
    25,739.90x = 511,773,557.95
  5. Step 5: Solve for x
    x = 511,773,557.95/25,739.90
  6. Step 6: Final answer
    x = 19,882.50

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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.