Home / 21,900.77-32,861.56-11,365.19

Finding the Fourth Proportional to 21,900.77, 32,861.56 and 11,365.19

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Solution

The fourth proportional to 21,900.77, 32,861.56 and 11,365.19 is: 17,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900.77 : 32,861.56 = 11,365.19 : x
  2. Step 2: Convert to fraction form
    21,900.77/32,861.56 = 11,365.19/x
  3. Step 3: Cross multiply
    21,900.77x = 32,861.56 × 11,365.19
  4. Step 4: Simplify right side
    21,900.77x = 373,477,873.10
  5. Step 5: Solve for x
    x = 373,477,873.10/21,900.77
  6. Step 6: Final answer
    x = 17,053.18

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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.