Home / 16,461.07-22,715.71-9,389.77

Finding the Fourth Proportional to 16,461.07, 22,715.71 and 9,389.77

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Solution

The fourth proportional to 16,461.07, 22,715.71 and 9,389.77 is: 12,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.07 : 22,715.71 = 9,389.77 : x
  2. Step 2: Convert to fraction form
    16,461.07/22,715.71 = 9,389.77/x
  3. Step 3: Cross multiply
    16,461.07x = 22,715.71 × 9,389.77
  4. Step 4: Simplify right side
    16,461.07x = 213,295,292.29
  5. Step 5: Solve for x
    x = 213,295,292.29/16,461.07
  6. Step 6: Final answer
    x = 12,957.56

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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.