Home / 13,784.04-20,657.26-8,851.08

Finding the Fourth Proportional to 13,784.04, 20,657.26 and 8,851.08

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Solution

The fourth proportional to 13,784.04, 20,657.26 and 8,851.08 is: 13,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.04 : 20,657.26 = 8,851.08 : x
  2. Step 2: Convert to fraction form
    13,784.04/20,657.26 = 8,851.08/x
  3. Step 3: Cross multiply
    13,784.04x = 20,657.26 × 8,851.08
  4. Step 4: Simplify right side
    13,784.04x = 182,839,060.84
  5. Step 5: Solve for x
    x = 182,839,060.84/13,784.04
  6. Step 6: Final answer
    x = 13,264.55

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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.