Home / 14,063.78-19,411.30-9,284.57

Finding the Fourth Proportional to 14,063.78, 19,411.30 and 9,284.57

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Solution

The fourth proportional to 14,063.78, 19,411.30 and 9,284.57 is: 12,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.78 : 19,411.30 = 9,284.57 : x
  2. Step 2: Convert to fraction form
    14,063.78/19,411.30 = 9,284.57/x
  3. Step 3: Cross multiply
    14,063.78x = 19,411.30 × 9,284.57
  4. Step 4: Simplify right side
    14,063.78x = 180,225,617.95
  5. Step 5: Solve for x
    x = 180,225,617.95/14,063.78
  6. Step 6: Final answer
    x = 12,814.88

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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.