Home / 23,007.29-31,746.20-13,577.67

Finding the Fourth Proportional to 23,007.29, 31,746.20 and 13,577.67

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Solution

The fourth proportional to 23,007.29, 31,746.20 and 13,577.67 is: 18,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,007.29 : 31,746.20 = 13,577.67 : x
  2. Step 2: Convert to fraction form
    23,007.29/31,746.20 = 13,577.67/x
  3. Step 3: Cross multiply
    23,007.29x = 31,746.20 × 13,577.67
  4. Step 4: Simplify right side
    23,007.29x = 431,039,359.47
  5. Step 5: Solve for x
    x = 431,039,359.47/23,007.29
  6. Step 6: Final answer
    x = 18,734.91

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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.