Home / 25,967.87-38,987.84-13,326.60

Finding the Fourth Proportional to 25,967.87, 38,987.84 and 13,326.60

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Solution

The fourth proportional to 25,967.87, 38,987.84 and 13,326.60 is: 20,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,967.87 : 38,987.84 = 13,326.60 : x
  2. Step 2: Convert to fraction form
    25,967.87/38,987.84 = 13,326.60/x
  3. Step 3: Cross multiply
    25,967.87x = 38,987.84 × 13,326.60
  4. Step 4: Simplify right side
    25,967.87x = 519,575,381.86
  5. Step 5: Solve for x
    x = 519,575,381.86/25,967.87
  6. Step 6: Final answer
    x = 20,008.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.