Home / 14,929.41-20,578.67-11,332.65

Finding the Fourth Proportional to 14,929.41, 20,578.67 and 11,332.65

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Solution

The fourth proportional to 14,929.41, 20,578.67 and 11,332.65 is: 15,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.41 : 20,578.67 = 11,332.65 : x
  2. Step 2: Convert to fraction form
    14,929.41/20,578.67 = 11,332.65/x
  3. Step 3: Cross multiply
    14,929.41x = 20,578.67 × 11,332.65
  4. Step 4: Simplify right side
    14,929.41x = 233,210,807.91
  5. Step 5: Solve for x
    x = 233,210,807.91/14,929.41
  6. Step 6: Final answer
    x = 15,620.90

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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.