Home / 15,740.83-23,644.05-13,280.46

Finding the Fourth Proportional to 15,740.83, 23,644.05 and 13,280.46

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Solution

The fourth proportional to 15,740.83, 23,644.05 and 13,280.46 is: 19,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.83 : 23,644.05 = 13,280.46 : x
  2. Step 2: Convert to fraction form
    15,740.83/23,644.05 = 13,280.46/x
  3. Step 3: Cross multiply
    15,740.83x = 23,644.05 × 13,280.46
  4. Step 4: Simplify right side
    15,740.83x = 314,003,860.26
  5. Step 5: Solve for x
    x = 314,003,860.26/15,740.83
  6. Step 6: Final answer
    x = 19,948.37

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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.