Home / 19,561.60-29,336.64-10,322.56

Finding the Fourth Proportional to 19,561.60, 29,336.64 and 10,322.56

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Solution

The fourth proportional to 19,561.60, 29,336.64 and 10,322.56 is: 15,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.60 : 29,336.64 = 10,322.56 : x
  2. Step 2: Convert to fraction form
    19,561.60/29,336.64 = 10,322.56/x
  3. Step 3: Cross multiply
    19,561.60x = 29,336.64 × 10,322.56
  4. Step 4: Simplify right side
    19,561.60x = 302,829,226.60
  5. Step 5: Solve for x
    x = 302,829,226.60/19,561.60
  6. Step 6: Final answer
    x = 15,480.80

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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.