Home / 23,680.89-32,679.50-13,071.15

Finding the Fourth Proportional to 23,680.89, 32,679.50 and 13,071.15

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Solution

The fourth proportional to 23,680.89, 32,679.50 and 13,071.15 is: 18,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.89 : 32,679.50 = 13,071.15 : x
  2. Step 2: Convert to fraction form
    23,680.89/32,679.50 = 13,071.15/x
  3. Step 3: Cross multiply
    23,680.89x = 32,679.50 × 13,071.15
  4. Step 4: Simplify right side
    23,680.89x = 427,158,581.07
  5. Step 5: Solve for x
    x = 427,158,581.07/23,680.89
  6. Step 6: Final answer
    x = 18,038.11

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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.