Home / 13,939.92-19,237.40-7,652.32

Finding the Fourth Proportional to 13,939.92, 19,237.40 and 7,652.32

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Solution

The fourth proportional to 13,939.92, 19,237.40 and 7,652.32 is: 10,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.92 : 19,237.40 = 7,652.32 : x
  2. Step 2: Convert to fraction form
    13,939.92/19,237.40 = 7,652.32/x
  3. Step 3: Cross multiply
    13,939.92x = 19,237.40 × 7,652.32
  4. Step 4: Simplify right side
    13,939.92x = 147,210,740.77
  5. Step 5: Solve for x
    x = 147,210,740.77/13,939.92
  6. Step 6: Final answer
    x = 10,560.37

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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.