Home / 16,458.07-22,711.57-9,386.77

Finding the Fourth Proportional to 16,458.07, 22,711.57 and 9,386.77

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Solution

The fourth proportional to 16,458.07, 22,711.57 and 9,386.77 is: 12,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.07 : 22,711.57 = 9,386.77 : x
  2. Step 2: Convert to fraction form
    16,458.07/22,711.57 = 9,386.77/x
  3. Step 3: Cross multiply
    16,458.07x = 22,711.57 × 9,386.77
  4. Step 4: Simplify right side
    16,458.07x = 213,188,283.93
  5. Step 5: Solve for x
    x = 213,188,283.93/16,458.07
  6. Step 6: Final answer
    x = 12,953.42

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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.