Home / 23,719.56-32,730.21-13,109.28

Finding the Fourth Proportional to 23,719.56, 32,730.21 and 13,109.28

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Solution

The fourth proportional to 23,719.56, 32,730.21 and 13,109.28 is: 18,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719.56 : 32,730.21 = 13,109.28 : x
  2. Step 2: Convert to fraction form
    23,719.56/32,730.21 = 13,109.28/x
  3. Step 3: Cross multiply
    23,719.56x = 32,730.21 × 13,109.28
  4. Step 4: Simplify right side
    23,719.56x = 429,069,487.35
  5. Step 5: Solve for x
    x = 429,069,487.35/23,719.56
  6. Step 6: Final answer
    x = 18,089.27

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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.