Home / 23,315.76-32,175.84-12,705.36

Finding the Fourth Proportional to 23,315.76, 32,175.84 and 12,705.36

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Solution

The fourth proportional to 23,315.76, 32,175.84 and 12,705.36 is: 17,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.76 : 32,175.84 = 12,705.36 : x
  2. Step 2: Convert to fraction form
    23,315.76/32,175.84 = 12,705.36/x
  3. Step 3: Cross multiply
    23,315.76x = 32,175.84 × 12,705.36
  4. Step 4: Simplify right side
    23,315.76x = 408,805,630.50
  5. Step 5: Solve for x
    x = 408,805,630.50/23,315.76
  6. Step 6: Final answer
    x = 17,533.45

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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.