Home / 15,937.37-22,009.35-13,132.54

Finding the Fourth Proportional to 15,937.37, 22,009.35 and 13,132.54

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Solution

The fourth proportional to 15,937.37, 22,009.35 and 13,132.54 is: 18,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.37 : 22,009.35 = 13,132.54 : x
  2. Step 2: Convert to fraction form
    15,937.37/22,009.35 = 13,132.54/x
  3. Step 3: Cross multiply
    15,937.37x = 22,009.35 × 13,132.54
  4. Step 4: Simplify right side
    15,937.37x = 289,038,669.25
  5. Step 5: Solve for x
    x = 289,038,669.25/15,937.37
  6. Step 6: Final answer
    x = 18,135.91

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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.