Home / 13,462.23-18,569.61-8,680.41

Finding the Fourth Proportional to 13,462.23, 18,569.61 and 8,680.41

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Solution

The fourth proportional to 13,462.23, 18,569.61 and 8,680.41 is: 11,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.23 : 18,569.61 = 8,680.41 : x
  2. Step 2: Convert to fraction form
    13,462.23/18,569.61 = 8,680.41/x
  3. Step 3: Cross multiply
    13,462.23x = 18,569.61 × 8,680.41
  4. Step 4: Simplify right side
    13,462.23x = 161,191,828.34
  5. Step 5: Solve for x
    x = 161,191,828.34/13,462.23
  6. Step 6: Final answer
    x = 11,973.64

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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.