Home / 23,368.32-32,228.16-20,819.52

Finding the Fourth Proportional to 23,368.32, 32,228.16 and 20,819.52

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Solution

The fourth proportional to 23,368.32, 32,228.16 and 20,819.52 is: 28,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,368.32 : 32,228.16 = 20,819.52 : x
  2. Step 2: Convert to fraction form
    23,368.32/32,228.16 = 20,819.52/x
  3. Step 3: Cross multiply
    23,368.32x = 32,228.16 × 20,819.52
  4. Step 4: Simplify right side
    23,368.32x = 670,974,821.68
  5. Step 5: Solve for x
    x = 670,974,821.68/23,368.32
  6. Step 6: Final answer
    x = 28,713.01

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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.