Home / 23,140.04-31,921.49-13,573.67

Finding the Fourth Proportional to 23,140.04, 31,921.49 and 13,573.67

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Solution

The fourth proportional to 23,140.04, 31,921.49 and 13,573.67 is: 18,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.04 : 31,921.49 = 13,573.67 : x
  2. Step 2: Convert to fraction form
    23,140.04/31,921.49 = 13,573.67/x
  3. Step 3: Cross multiply
    23,140.04x = 31,921.49 × 13,573.67
  4. Step 4: Simplify right side
    23,140.04x = 433,291,645.50
  5. Step 5: Solve for x
    x = 433,291,645.50/23,140.04
  6. Step 6: Final answer
    x = 18,724.76

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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.