Home / 23,432.32-35,232.78-21,605.76

Finding the Fourth Proportional to 23,432.32, 35,232.78 and 21,605.76

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Solution

The fourth proportional to 23,432.32, 35,232.78 and 21,605.76 is: 32,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,432.32 : 35,232.78 = 21,605.76 : x
  2. Step 2: Convert to fraction form
    23,432.32/35,232.78 = 21,605.76/x
  3. Step 3: Cross multiply
    23,432.32x = 35,232.78 × 21,605.76
  4. Step 4: Simplify right side
    23,432.32x = 761,230,988.81
  5. Step 5: Solve for x
    x = 761,230,988.81/23,432.32
  6. Step 6: Final answer
    x = 32,486.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.