Home / 16,988.48-23,441.49-9,434.69

Finding the Fourth Proportional to 16,988.48, 23,441.49 and 9,434.69

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Solution

The fourth proportional to 16,988.48, 23,441.49 and 9,434.69 is: 13,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.48 : 23,441.49 = 9,434.69 : x
  2. Step 2: Convert to fraction form
    16,988.48/23,441.49 = 9,434.69/x
  3. Step 3: Cross multiply
    16,988.48x = 23,441.49 × 9,434.69
  4. Step 4: Simplify right side
    16,988.48x = 221,163,074.08
  5. Step 5: Solve for x
    x = 221,163,074.08/16,988.48
  6. Step 6: Final answer
    x = 13,018.42

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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.