Home / 14,274.06-19,699.11-7,988.46

Finding the Fourth Proportional to 14,274.06, 19,699.11 and 7,988.46

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Solution

The fourth proportional to 14,274.06, 19,699.11 and 7,988.46 is: 11,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.06 : 19,699.11 = 7,988.46 : x
  2. Step 2: Convert to fraction form
    14,274.06/19,699.11 = 7,988.46/x
  3. Step 3: Cross multiply
    14,274.06x = 19,699.11 × 7,988.46
  4. Step 4: Simplify right side
    14,274.06x = 157,365,552.27
  5. Step 5: Solve for x
    x = 157,365,552.27/14,274.06
  6. Step 6: Final answer
    x = 11,024.58

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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.