Home / 14,127.15-19,495.50-7,753.79

Finding the Fourth Proportional to 14,127.15, 19,495.50 and 7,753.79

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Solution

The fourth proportional to 14,127.15, 19,495.50 and 7,753.79 is: 10,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.15 : 19,495.50 = 7,753.79 : x
  2. Step 2: Convert to fraction form
    14,127.15/19,495.50 = 7,753.79/x
  3. Step 3: Cross multiply
    14,127.15x = 19,495.50 × 7,753.79
  4. Step 4: Simplify right side
    14,127.15x = 151,164,012.95
  5. Step 5: Solve for x
    x = 151,164,012.95/14,127.15
  6. Step 6: Final answer
    x = 10,700.25

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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.