Home / 23,891.10-32,970.88-13,280.50

Finding the Fourth Proportional to 23,891.10, 32,970.88 and 13,280.50

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Solution

The fourth proportional to 23,891.10, 32,970.88 and 13,280.50 is: 18,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.10 : 32,970.88 = 13,280.50 : x
  2. Step 2: Convert to fraction form
    23,891.10/32,970.88 = 13,280.50/x
  3. Step 3: Cross multiply
    23,891.10x = 32,970.88 × 13,280.50
  4. Step 4: Simplify right side
    23,891.10x = 437,869,771.84
  5. Step 5: Solve for x
    x = 437,869,771.84/23,891.10
  6. Step 6: Final answer
    x = 18,327.74

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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.