Home / 14,112.90-19,459.89-9,001.62

Finding the Fourth Proportional to 14,112.90, 19,459.89 and 9,001.62

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Solution

The fourth proportional to 14,112.90, 19,459.89 and 9,001.62 is: 12,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.90 : 19,459.89 = 9,001.62 : x
  2. Step 2: Convert to fraction form
    14,112.90/19,459.89 = 9,001.62/x
  3. Step 3: Cross multiply
    14,112.90x = 19,459.89 × 9,001.62
  4. Step 4: Simplify right side
    14,112.90x = 175,170,535.02
  5. Step 5: Solve for x
    x = 175,170,535.02/14,112.90
  6. Step 6: Final answer
    x = 12,412.09

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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.