Home / 19,696.02-27,180.27-11,312.52

Finding the Fourth Proportional to 19,696.02, 27,180.27 and 11,312.52

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Solution

The fourth proportional to 19,696.02, 27,180.27 and 11,312.52 is: 15,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.02 : 27,180.27 = 11,312.52 : x
  2. Step 2: Convert to fraction form
    19,696.02/27,180.27 = 11,312.52/x
  3. Step 3: Cross multiply
    19,696.02x = 27,180.27 × 11,312.52
  4. Step 4: Simplify right side
    19,696.02x = 307,477,347.98
  5. Step 5: Solve for x
    x = 307,477,347.98/19,696.02
  6. Step 6: Final answer
    x = 15,611.14

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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.