Home / 13,891.06-19,168.93-7,602.22

Finding the Fourth Proportional to 13,891.06, 19,168.93 and 7,602.22

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Solution

The fourth proportional to 13,891.06, 19,168.93 and 7,602.22 is: 10,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.06 : 19,168.93 = 7,602.22 : x
  2. Step 2: Convert to fraction form
    13,891.06/19,168.93 = 7,602.22/x
  3. Step 3: Cross multiply
    13,891.06x = 19,168.93 × 7,602.22
  4. Step 4: Simplify right side
    13,891.06x = 145,726,423.02
  5. Step 5: Solve for x
    x = 145,726,423.02/13,891.06
  6. Step 6: Final answer
    x = 10,490.66

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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.