Home / 14,999.57-20,699.28-8,539.24

Finding the Fourth Proportional to 14,999.57, 20,699.28 and 8,539.24

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Solution

The fourth proportional to 14,999.57, 20,699.28 and 8,539.24 is: 11,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.57 : 20,699.28 = 8,539.24 : x
  2. Step 2: Convert to fraction form
    14,999.57/20,699.28 = 8,539.24/x
  3. Step 3: Cross multiply
    14,999.57x = 20,699.28 × 8,539.24
  4. Step 4: Simplify right side
    14,999.57x = 176,756,119.75
  5. Step 5: Solve for x
    x = 176,756,119.75/14,999.57
  6. Step 6: Final answer
    x = 11,784.08

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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.