Home / 14,247.07-19,661.01-7,959.55

Finding the Fourth Proportional to 14,247.07, 19,661.01 and 7,959.55

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Solution

The fourth proportional to 14,247.07, 19,661.01 and 7,959.55 is: 10,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.07 : 19,661.01 = 7,959.55 : x
  2. Step 2: Convert to fraction form
    14,247.07/19,661.01 = 7,959.55/x
  3. Step 3: Cross multiply
    14,247.07x = 19,661.01 × 7,959.55
  4. Step 4: Simplify right side
    14,247.07x = 156,492,792.15
  5. Step 5: Solve for x
    x = 156,492,792.15/14,247.07
  6. Step 6: Final answer
    x = 10,984.21

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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.