Home / 16,509.02-22,782.13-9,338.83

Finding the Fourth Proportional to 16,509.02, 22,782.13 and 9,338.83

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Solution

The fourth proportional to 16,509.02, 22,782.13 and 9,338.83 is: 12,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,509.02 : 22,782.13 = 9,338.83 : x
  2. Step 2: Convert to fraction form
    16,509.02/22,782.13 = 9,338.83/x
  3. Step 3: Cross multiply
    16,509.02x = 22,782.13 × 9,338.83
  4. Step 4: Simplify right side
    16,509.02x = 212,758,358.81
  5. Step 5: Solve for x
    x = 212,758,358.81/16,509.02
  6. Step 6: Final answer
    x = 12,887.40

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Half scale
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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.