Home / 14,276.58-19,701.46-7,988.95

Finding the Fourth Proportional to 14,276.58, 19,701.46 and 7,988.95

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Solution

The fourth proportional to 14,276.58, 19,701.46 and 7,988.95 is: 11,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.58 : 19,701.46 = 7,988.95 : x
  2. Step 2: Convert to fraction form
    14,276.58/19,701.46 = 7,988.95/x
  3. Step 3: Cross multiply
    14,276.58x = 19,701.46 × 7,988.95
  4. Step 4: Simplify right side
    14,276.58x = 157,393,978.87
  5. Step 5: Solve for x
    x = 157,393,978.87/14,276.58
  6. Step 6: Final answer
    x = 11,024.63

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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.