Home / 14,272.18-19,695.07-7,984.55

Finding the Fourth Proportional to 14,272.18, 19,695.07 and 7,984.55

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Solution

The fourth proportional to 14,272.18, 19,695.07 and 7,984.55 is: 11,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.18 : 19,695.07 = 7,984.55 : x
  2. Step 2: Convert to fraction form
    14,272.18/19,695.07 = 7,984.55/x
  3. Step 3: Cross multiply
    14,272.18x = 19,695.07 × 7,984.55
  4. Step 4: Simplify right side
    14,272.18x = 157,256,271.17
  5. Step 5: Solve for x
    x = 157,256,271.17/14,272.18
  6. Step 6: Final answer
    x = 11,018.38

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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.