Home / 16,782.08-23,153.73-9,703.49

Finding the Fourth Proportional to 16,782.08, 23,153.73 and 9,703.49

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Solution

The fourth proportional to 16,782.08, 23,153.73 and 9,703.49 is: 13,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.08 : 23,153.73 = 9,703.49 : x
  2. Step 2: Convert to fraction form
    16,782.08/23,153.73 = 9,703.49/x
  3. Step 3: Cross multiply
    16,782.08x = 23,153.73 × 9,703.49
  4. Step 4: Simplify right side
    16,782.08x = 224,671,987.52
  5. Step 5: Solve for x
    x = 224,671,987.52/16,782.08
  6. Step 6: Final answer
    x = 13,387.61

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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.