Home / 16,913.80-23,341.07-9,360.45

Finding the Fourth Proportional to 16,913.80, 23,341.07 and 9,360.45

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Solution

The fourth proportional to 16,913.80, 23,341.07 and 9,360.45 is: 12,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.80 : 23,341.07 = 9,360.45 : x
  2. Step 2: Convert to fraction form
    16,913.80/23,341.07 = 9,360.45/x
  3. Step 3: Cross multiply
    16,913.80x = 23,341.07 × 9,360.45
  4. Step 4: Simplify right side
    16,913.80x = 218,482,918.68
  5. Step 5: Solve for x
    x = 218,482,918.68/16,913.80
  6. Step 6: Final answer
    x = 12,917.44

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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.