Home / 14,403.90-19,877.29-8,030.41

Finding the Fourth Proportional to 14,403.90, 19,877.29 and 8,030.41

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Solution

The fourth proportional to 14,403.90, 19,877.29 and 8,030.41 is: 11,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.90 : 19,877.29 = 8,030.41 : x
  2. Step 2: Convert to fraction form
    14,403.90/19,877.29 = 8,030.41/x
  3. Step 3: Cross multiply
    14,403.90x = 19,877.29 × 8,030.41
  4. Step 4: Simplify right side
    14,403.90x = 159,622,788.39
  5. Step 5: Solve for x
    x = 159,622,788.39/14,403.90
  6. Step 6: Final answer
    x = 11,081.91

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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.