Home / 15,988.36-22,054.15-10,611.07

Finding the Fourth Proportional to 15,988.36, 22,054.15 and 10,611.07

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Solution

The fourth proportional to 15,988.36, 22,054.15 and 10,611.07 is: 14,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.36 : 22,054.15 = 10,611.07 : x
  2. Step 2: Convert to fraction form
    15,988.36/22,054.15 = 10,611.07/x
  3. Step 3: Cross multiply
    15,988.36x = 22,054.15 × 10,611.07
  4. Step 4: Simplify right side
    15,988.36x = 234,018,129.44
  5. Step 5: Solve for x
    x = 234,018,129.44/15,988.36
  6. Step 6: Final answer
    x = 14,636.78

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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.