Home / 23,387.12-32,274.12-13,317.44

Finding the Fourth Proportional to 23,387.12, 32,274.12 and 13,317.44

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Solution

The fourth proportional to 23,387.12, 32,274.12 and 13,317.44 is: 18,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.12 : 32,274.12 = 13,317.44 : x
  2. Step 2: Convert to fraction form
    23,387.12/32,274.12 = 13,317.44/x
  3. Step 3: Cross multiply
    23,387.12x = 32,274.12 × 13,317.44
  4. Step 4: Simplify right side
    23,387.12x = 429,808,656.65
  5. Step 5: Solve for x
    x = 429,808,656.65/23,387.12
  6. Step 6: Final answer
    x = 18,378.01

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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.