Home / 16,391.99-22,624.53-10,422.49

Finding the Fourth Proportional to 16,391.99, 22,624.53 and 10,422.49

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Solution

The fourth proportional to 16,391.99, 22,624.53 and 10,422.49 is: 14,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.99 : 22,624.53 = 10,422.49 : x
  2. Step 2: Convert to fraction form
    16,391.99/22,624.53 = 10,422.49/x
  3. Step 3: Cross multiply
    16,391.99x = 22,624.53 × 10,422.49
  4. Step 4: Simplify right side
    16,391.99x = 235,803,943.08
  5. Step 5: Solve for x
    x = 235,803,943.08/16,391.99
  6. Step 6: Final answer
    x = 14,385.32

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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.