Home / 21,712.51-32,557.83-10,602.55

Finding the Fourth Proportional to 21,712.51, 32,557.83 and 10,602.55

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Solution

The fourth proportional to 21,712.51, 32,557.83 and 10,602.55 is: 15,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.51 : 32,557.83 = 10,602.55 : x
  2. Step 2: Convert to fraction form
    21,712.51/32,557.83 = 10,602.55/x
  3. Step 3: Cross multiply
    21,712.51x = 32,557.83 × 10,602.55
  4. Step 4: Simplify right side
    21,712.51x = 345,196,020.47
  5. Step 5: Solve for x
    x = 345,196,020.47/21,712.51
  6. Step 6: Final answer
    x = 15,898.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.