Home / 23,319.72-32,102.55-21,074.76

Finding the Fourth Proportional to 23,319.72, 32,102.55 and 21,074.76

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Solution

The fourth proportional to 23,319.72, 32,102.55 and 21,074.76 is: 29,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.72 : 32,102.55 = 21,074.76 : x
  2. Step 2: Convert to fraction form
    23,319.72/32,102.55 = 21,074.76/x
  3. Step 3: Cross multiply
    23,319.72x = 32,102.55 × 21,074.76
  4. Step 4: Simplify right side
    23,319.72x = 676,553,536.64
  5. Step 5: Solve for x
    x = 676,553,536.64/23,319.72
  6. Step 6: Final answer
    x = 29,012.08

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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.