Home / 14,263.18-21,397.32-4,900.78

Finding the Fourth Proportional to 14,263.18, 21,397.32 and 4,900.78

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Solution

The fourth proportional to 14,263.18, 21,397.32 and 4,900.78 is: 7,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.18 : 21,397.32 = 4,900.78 : x
  2. Step 2: Convert to fraction form
    14,263.18/21,397.32 = 4,900.78/x
  3. Step 3: Cross multiply
    14,263.18x = 21,397.32 × 4,900.78
  4. Step 4: Simplify right side
    14,263.18x = 104,863,557.91
  5. Step 5: Solve for x
    x = 104,863,557.91/14,263.18
  6. Step 6: Final answer
    x = 7,352.05

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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.