Home / 23,281.12-32,128.50-12,671.32

Finding the Fourth Proportional to 23,281.12, 32,128.50 and 12,671.32

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Solution

The fourth proportional to 23,281.12, 32,128.50 and 12,671.32 is: 17,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.12 : 32,128.50 = 12,671.32 : x
  2. Step 2: Convert to fraction form
    23,281.12/32,128.50 = 12,671.32/x
  3. Step 3: Cross multiply
    23,281.12x = 32,128.50 × 12,671.32
  4. Step 4: Simplify right side
    23,281.12x = 407,110,504.62
  5. Step 5: Solve for x
    x = 407,110,504.62/23,281.12
  6. Step 6: Final answer
    x = 17,486.72

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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.