Home / 23,450.34-32,358.47-13,378.20

Finding the Fourth Proportional to 23,450.34, 32,358.47 and 13,378.20

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Solution

The fourth proportional to 23,450.34, 32,358.47 and 13,378.20 is: 18,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,450.34 : 32,358.47 = 13,378.20 : x
  2. Step 2: Convert to fraction form
    23,450.34/32,358.47 = 13,378.20/x
  3. Step 3: Cross multiply
    23,450.34x = 32,358.47 × 13,378.20
  4. Step 4: Simplify right side
    23,450.34x = 432,897,895.12
  5. Step 5: Solve for x
    x = 432,897,895.12/23,450.34
  6. Step 6: Final answer
    x = 18,460.19

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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.