Home / 19,783.46-27,280.46-13,060.26

Finding the Fourth Proportional to 19,783.46, 27,280.46 and 13,060.26

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Solution

The fourth proportional to 19,783.46, 27,280.46 and 13,060.26 is: 18,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.46 : 27,280.46 = 13,060.26 : x
  2. Step 2: Convert to fraction form
    19,783.46/27,280.46 = 13,060.26/x
  3. Step 3: Cross multiply
    19,783.46x = 27,280.46 × 13,060.26
  4. Step 4: Simplify right side
    19,783.46x = 356,289,933.17
  5. Step 5: Solve for x
    x = 356,289,933.17/19,783.46
  6. Step 6: Final answer
    x = 18,009.48

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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.