Home / 14,386.24-21,578.88-6,178.24

Finding the Fourth Proportional to 14,386.24, 21,578.88 and 6,178.24

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Solution

The fourth proportional to 14,386.24, 21,578.88 and 6,178.24 is: 9,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.24 : 21,578.88 = 6,178.24 : x
  2. Step 2: Convert to fraction form
    14,386.24/21,578.88 = 6,178.24/x
  3. Step 3: Cross multiply
    14,386.24x = 21,578.88 × 6,178.24
  4. Step 4: Simplify right side
    14,386.24x = 133,319,499.57
  5. Step 5: Solve for x
    x = 133,319,499.57/14,386.24
  6. Step 6: Final answer
    x = 9,267.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.