Home / 14,760.72-20,341.80-10,561.68

Finding the Fourth Proportional to 14,760.72, 20,341.80 and 10,561.68

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Solution

The fourth proportional to 14,760.72, 20,341.80 and 10,561.68 is: 14,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.72 : 20,341.80 = 10,561.68 : x
  2. Step 2: Convert to fraction form
    14,760.72/20,341.80 = 10,561.68/x
  3. Step 3: Cross multiply
    14,760.72x = 20,341.80 × 10,561.68
  4. Step 4: Simplify right side
    14,760.72x = 214,843,582.22
  5. Step 5: Solve for x
    x = 214,843,582.22/14,760.72
  6. Step 6: Final answer
    x = 14,555.09

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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.