Home / 16,976.93-23,430.26-9,903.33

Finding the Fourth Proportional to 16,976.93, 23,430.26 and 9,903.33

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Solution

The fourth proportional to 16,976.93, 23,430.26 and 9,903.33 is: 13,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.93 : 23,430.26 = 9,903.33 : x
  2. Step 2: Convert to fraction form
    16,976.93/23,430.26 = 9,903.33/x
  3. Step 3: Cross multiply
    16,976.93x = 23,430.26 × 9,903.33
  4. Step 4: Simplify right side
    16,976.93x = 232,037,621.52
  5. Step 5: Solve for x
    x = 232,037,621.52/16,976.93
  6. Step 6: Final answer
    x = 13,667.82

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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.