Home / 23,281.13-32,128.64-12,671.45

Finding the Fourth Proportional to 23,281.13, 32,128.64 and 12,671.45

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Solution

The fourth proportional to 23,281.13, 32,128.64 and 12,671.45 is: 17,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.13 : 32,128.64 = 12,671.45 : x
  2. Step 2: Convert to fraction form
    23,281.13/32,128.64 = 12,671.45/x
  3. Step 3: Cross multiply
    23,281.13x = 32,128.64 × 12,671.45
  4. Step 4: Simplify right side
    23,281.13x = 407,116,455.33
  5. Step 5: Solve for x
    x = 407,116,455.33/23,281.13
  6. Step 6: Final answer
    x = 17,486.97

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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.