Home / 14,932.69-20,608.10-9,888.15

Finding the Fourth Proportional to 14,932.69, 20,608.10 and 9,888.15

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Solution

The fourth proportional to 14,932.69, 20,608.10 and 9,888.15 is: 13,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.69 : 20,608.10 = 9,888.15 : x
  2. Step 2: Convert to fraction form
    14,932.69/20,608.10 = 9,888.15/x
  3. Step 3: Cross multiply
    14,932.69x = 20,608.10 × 9,888.15
  4. Step 4: Simplify right side
    14,932.69x = 203,775,984.02
  5. Step 5: Solve for x
    x = 203,775,984.02/14,932.69
  6. Step 6: Final answer
    x = 13,646.30

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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.