Home / 23,283.08-32,130.65-12,672.80

Finding the Fourth Proportional to 23,283.08, 32,130.65 and 12,672.80

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Solution

The fourth proportional to 23,283.08, 32,130.65 and 12,672.80 is: 17,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,283.08 : 32,130.65 = 12,672.80 : x
  2. Step 2: Convert to fraction form
    23,283.08/32,130.65 = 12,672.80/x
  3. Step 3: Cross multiply
    23,283.08x = 32,130.65 × 12,672.80
  4. Step 4: Simplify right side
    23,283.08x = 407,185,077.30
  5. Step 5: Solve for x
    x = 407,185,077.30/23,283.08
  6. Step 6: Final answer
    x = 17,488.45

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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.