Home / 14,020.35-19,347.45-7,646.79

Finding the Fourth Proportional to 14,020.35, 19,347.45 and 7,646.79

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Solution

The fourth proportional to 14,020.35, 19,347.45 and 7,646.79 is: 10,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.35 : 19,347.45 = 7,646.79 : x
  2. Step 2: Convert to fraction form
    14,020.35/19,347.45 = 7,646.79/x
  3. Step 3: Cross multiply
    14,020.35x = 19,347.45 × 7,646.79
  4. Step 4: Simplify right side
    14,020.35x = 147,945,887.19
  5. Step 5: Solve for x
    x = 147,945,887.19/14,020.35
  6. Step 6: Final answer
    x = 10,552.22

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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.