Home / 15,969.09-22,036.53-9,256.88

Finding the Fourth Proportional to 15,969.09, 22,036.53 and 9,256.88

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Solution

The fourth proportional to 15,969.09, 22,036.53 and 9,256.88 is: 12,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.09 : 22,036.53 = 9,256.88 : x
  2. Step 2: Convert to fraction form
    15,969.09/22,036.53 = 9,256.88/x
  3. Step 3: Cross multiply
    15,969.09x = 22,036.53 × 9,256.88
  4. Step 4: Simplify right side
    15,969.09x = 203,989,513.83
  5. Step 5: Solve for x
    x = 203,989,513.83/15,969.09
  6. Step 6: Final answer
    x = 12,774.02

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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.