Home / 23,281.65-32,129.01-12,671.28

Finding the Fourth Proportional to 23,281.65, 32,129.01 and 12,671.28

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Solution

The fourth proportional to 23,281.65, 32,129.01 and 12,671.28 is: 17,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.65 : 32,129.01 = 12,671.28 : x
  2. Step 2: Convert to fraction form
    23,281.65/32,129.01 = 12,671.28/x
  3. Step 3: Cross multiply
    23,281.65x = 32,129.01 × 12,671.28
  4. Step 4: Simplify right side
    23,281.65x = 407,115,681.83
  5. Step 5: Solve for x
    x = 407,115,681.83/23,281.65
  6. Step 6: Final answer
    x = 17,486.55

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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.