Home / 14,255.10-19,672.02-7,967.49

Finding the Fourth Proportional to 14,255.10, 19,672.02 and 7,967.49

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Solution

The fourth proportional to 14,255.10, 19,672.02 and 7,967.49 is: 10,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.10 : 19,672.02 = 7,967.49 : x
  2. Step 2: Convert to fraction form
    14,255.10/19,672.02 = 7,967.49/x
  3. Step 3: Cross multiply
    14,255.10x = 19,672.02 × 7,967.49
  4. Step 4: Simplify right side
    14,255.10x = 156,736,622.63
  5. Step 5: Solve for x
    x = 156,736,622.63/14,255.10
  6. Step 6: Final answer
    x = 10,995.13

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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.