Home / 14,263.48-19,686.10-7,974.68

Finding the Fourth Proportional to 14,263.48, 19,686.10 and 7,974.68

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Solution

The fourth proportional to 14,263.48, 19,686.10 and 7,974.68 is: 11,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.48 : 19,686.10 = 7,974.68 : x
  2. Step 2: Convert to fraction form
    14,263.48/19,686.10 = 7,974.68/x
  3. Step 3: Cross multiply
    14,263.48x = 19,686.10 × 7,974.68
  4. Step 4: Simplify right side
    14,263.48x = 156,990,347.95
  5. Step 5: Solve for x
    x = 156,990,347.95/14,263.48
  6. Step 6: Final answer
    x = 11,006.45

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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.