Home / 14,089.55-19,445.69-8,786.08

Finding the Fourth Proportional to 14,089.55, 19,445.69 and 8,786.08

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Solution

The fourth proportional to 14,089.55, 19,445.69 and 8,786.08 is: 12,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.55 : 19,445.69 = 8,786.08 : x
  2. Step 2: Convert to fraction form
    14,089.55/19,445.69 = 8,786.08/x
  3. Step 3: Cross multiply
    14,089.55x = 19,445.69 × 8,786.08
  4. Step 4: Simplify right side
    14,089.55x = 170,851,388.00
  5. Step 5: Solve for x
    x = 170,851,388.00/14,089.55
  6. Step 6: Final answer
    x = 12,126.11

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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.