Home / 13,224.81-19,807.25-10,947.09

Finding the Fourth Proportional to 13,224.81, 19,807.25 and 10,947.09

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Solution

The fourth proportional to 13,224.81, 19,807.25 and 10,947.09 is: 16,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.81 : 19,807.25 = 10,947.09 : x
  2. Step 2: Convert to fraction form
    13,224.81/19,807.25 = 10,947.09/x
  3. Step 3: Cross multiply
    13,224.81x = 19,807.25 × 10,947.09
  4. Step 4: Simplify right side
    13,224.81x = 216,831,693.67
  5. Step 5: Solve for x
    x = 216,831,693.67/13,224.81
  6. Step 6: Final answer
    x = 16,395.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.