Home / 23,281.88-32,128.93-12,671.52

Finding the Fourth Proportional to 23,281.88, 32,128.93 and 12,671.52

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Solution

The fourth proportional to 23,281.88, 32,128.93 and 12,671.52 is: 17,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.88 : 32,128.93 = 12,671.52 : x
  2. Step 2: Convert to fraction form
    23,281.88/32,128.93 = 12,671.52/x
  3. Step 3: Cross multiply
    23,281.88x = 32,128.93 × 12,671.52
  4. Step 4: Simplify right side
    23,281.88x = 407,122,379.07
  5. Step 5: Solve for x
    x = 407,122,379.07/23,281.88
  6. Step 6: Final answer
    x = 17,486.66

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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.