Home / 14,715.54-22,060.88-6,389.28

Finding the Fourth Proportional to 14,715.54, 22,060.88 and 6,389.28

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Solution

The fourth proportional to 14,715.54, 22,060.88 and 6,389.28 is: 9,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.54 : 22,060.88 = 6,389.28 : x
  2. Step 2: Convert to fraction form
    14,715.54/22,060.88 = 6,389.28/x
  3. Step 3: Cross multiply
    14,715.54x = 22,060.88 × 6,389.28
  4. Step 4: Simplify right side
    14,715.54x = 140,953,139.37
  5. Step 5: Solve for x
    x = 140,953,139.37/14,715.54
  6. Step 6: Final answer
    x = 9,578.52

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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.