Home / 15,824.48-21,837.93-8,751.02

Finding the Fourth Proportional to 15,824.48, 21,837.93 and 8,751.02

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Solution

The fourth proportional to 15,824.48, 21,837.93 and 8,751.02 is: 12,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.48 : 21,837.93 = 8,751.02 : x
  2. Step 2: Convert to fraction form
    15,824.48/21,837.93 = 8,751.02/x
  3. Step 3: Cross multiply
    15,824.48x = 21,837.93 × 8,751.02
  4. Step 4: Simplify right side
    15,824.48x = 191,104,216.78
  5. Step 5: Solve for x
    x = 191,104,216.78/15,824.48
  6. Step 6: Final answer
    x = 12,076.49

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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.