Home / 15,507.86-23,261.80-3,821.08

Finding the Fourth Proportional to 15,507.86, 23,261.80 and 3,821.08

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Solution

The fourth proportional to 15,507.86, 23,261.80 and 3,821.08 is: 5,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.86 : 23,261.80 = 3,821.08 : x
  2. Step 2: Convert to fraction form
    15,507.86/23,261.80 = 3,821.08/x
  3. Step 3: Cross multiply
    15,507.86x = 23,261.80 × 3,821.08
  4. Step 4: Simplify right side
    15,507.86x = 88,885,208.30
  5. Step 5: Solve for x
    x = 88,885,208.30/15,507.86
  6. Step 6: Final answer
    x = 5,731.62

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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.