Home / 15,602.16-21,540.51-10,156.39

Finding the Fourth Proportional to 15,602.16, 21,540.51 and 10,156.39

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Solution

The fourth proportional to 15,602.16, 21,540.51 and 10,156.39 is: 14,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.16 : 21,540.51 = 10,156.39 : x
  2. Step 2: Convert to fraction form
    15,602.16/21,540.51 = 10,156.39/x
  3. Step 3: Cross multiply
    15,602.16x = 21,540.51 × 10,156.39
  4. Step 4: Simplify right side
    15,602.16x = 218,773,847.28
  5. Step 5: Solve for x
    x = 218,773,847.28/15,602.16
  6. Step 6: Final answer
    x = 14,022.03

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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.