Home / 15,236.52-21,014.55-10,199.13

Finding the Fourth Proportional to 15,236.52, 21,014.55 and 10,199.13

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Solution

The fourth proportional to 15,236.52, 21,014.55 and 10,199.13 is: 14,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.52 : 21,014.55 = 10,199.13 : x
  2. Step 2: Convert to fraction form
    15,236.52/21,014.55 = 10,199.13/x
  3. Step 3: Cross multiply
    15,236.52x = 21,014.55 × 10,199.13
  4. Step 4: Simplify right side
    15,236.52x = 214,330,127.34
  5. Step 5: Solve for x
    x = 214,330,127.34/15,236.52
  6. Step 6: Final answer
    x = 14,066.87

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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.