Home / 13,347.02-20,032.60-7,112.29

Finding the Fourth Proportional to 13,347.02, 20,032.60 and 7,112.29

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Solution

The fourth proportional to 13,347.02, 20,032.60 and 7,112.29 is: 10,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.02 : 20,032.60 = 7,112.29 : x
  2. Step 2: Convert to fraction form
    13,347.02/20,032.60 = 7,112.29/x
  3. Step 3: Cross multiply
    13,347.02x = 20,032.60 × 7,112.29
  4. Step 4: Simplify right side
    13,347.02x = 142,477,660.65
  5. Step 5: Solve for x
    x = 142,477,660.65/13,347.02
  6. Step 6: Final answer
    x = 10,674.87

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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.