Home / 14,327.74-19,772.40-8,041.60

Finding the Fourth Proportional to 14,327.74, 19,772.40 and 8,041.60

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Solution

The fourth proportional to 14,327.74, 19,772.40 and 8,041.60 is: 11,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.74 : 19,772.40 = 8,041.60 : x
  2. Step 2: Convert to fraction form
    14,327.74/19,772.40 = 8,041.60/x
  3. Step 3: Cross multiply
    14,327.74x = 19,772.40 × 8,041.60
  4. Step 4: Simplify right side
    14,327.74x = 159,001,731.84
  5. Step 5: Solve for x
    x = 159,001,731.84/14,327.74
  6. Step 6: Final answer
    x = 11,097.47

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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.