Home / 14,127.80-19,496.60-7,754.99

Finding the Fourth Proportional to 14,127.80, 19,496.60 and 7,754.99

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Solution

The fourth proportional to 14,127.80, 19,496.60 and 7,754.99 is: 10,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.80 : 19,496.60 = 7,754.99 : x
  2. Step 2: Convert to fraction form
    14,127.80/19,496.60 = 7,754.99/x
  3. Step 3: Cross multiply
    14,127.80x = 19,496.60 × 7,754.99
  4. Step 4: Simplify right side
    14,127.80x = 151,195,801.78
  5. Step 5: Solve for x
    x = 151,195,801.78/14,127.80
  6. Step 6: Final answer
    x = 10,702.01

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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.