Home / 26,696.40-36,838.58-15,362.88

Finding the Fourth Proportional to 26,696.40, 36,838.58 and 15,362.88

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Solution

The fourth proportional to 26,696.40, 36,838.58 and 15,362.88 is: 21,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.40 : 36,838.58 = 15,362.88 : x
  2. Step 2: Convert to fraction form
    26,696.40/36,838.58 = 15,362.88/x
  3. Step 3: Cross multiply
    26,696.40x = 36,838.58 × 15,362.88
  4. Step 4: Simplify right side
    26,696.40x = 565,946,683.91
  5. Step 5: Solve for x
    x = 565,946,683.91/26,696.40
  6. Step 6: Final answer
    x = 21,199.36

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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.