Home / 14,448.59-19,938.09-8,160.56

Finding the Fourth Proportional to 14,448.59, 19,938.09 and 8,160.56

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Solution

The fourth proportional to 14,448.59, 19,938.09 and 8,160.56 is: 11,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.59 : 19,938.09 = 8,160.56 : x
  2. Step 2: Convert to fraction form
    14,448.59/19,938.09 = 8,160.56/x
  3. Step 3: Cross multiply
    14,448.59x = 19,938.09 × 8,160.56
  4. Step 4: Simplify right side
    14,448.59x = 162,706,029.58
  5. Step 5: Solve for x
    x = 162,706,029.58/14,448.59
  6. Step 6: Final answer
    x = 11,261.03

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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.