Home / 14,331.07-19,778.73-8,043.45

Finding the Fourth Proportional to 14,331.07, 19,778.73 and 8,043.45

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Solution

The fourth proportional to 14,331.07, 19,778.73 and 8,043.45 is: 11,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.07 : 19,778.73 = 8,043.45 : x
  2. Step 2: Convert to fraction form
    14,331.07/19,778.73 = 8,043.45/x
  3. Step 3: Cross multiply
    14,331.07x = 19,778.73 × 8,043.45
  4. Step 4: Simplify right side
    14,331.07x = 159,089,225.82
  5. Step 5: Solve for x
    x = 159,089,225.82/14,331.07
  6. Step 6: Final answer
    x = 11,101.00

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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.