Home / 14,403.70-19,876.75-8,030.26

Finding the Fourth Proportional to 14,403.70, 19,876.75 and 8,030.26

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Solution

The fourth proportional to 14,403.70, 19,876.75 and 8,030.26 is: 11,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.70 : 19,876.75 = 8,030.26 : x
  2. Step 2: Convert to fraction form
    14,403.70/19,876.75 = 8,030.26/x
  3. Step 3: Cross multiply
    14,403.70x = 19,876.75 × 8,030.26
  4. Step 4: Simplify right side
    14,403.70x = 159,615,470.46
  5. Step 5: Solve for x
    x = 159,615,470.46/14,403.70
  6. Step 6: Final answer
    x = 11,081.56

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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.