Home / 14,300.74-21,430.69-6,285.92

Finding the Fourth Proportional to 14,300.74, 21,430.69 and 6,285.92

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Solution

The fourth proportional to 14,300.74, 21,430.69 and 6,285.92 is: 9,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.74 : 21,430.69 = 6,285.92 : x
  2. Step 2: Convert to fraction form
    14,300.74/21,430.69 = 6,285.92/x
  3. Step 3: Cross multiply
    14,300.74x = 21,430.69 × 6,285.92
  4. Step 4: Simplify right side
    14,300.74x = 134,711,602.88
  5. Step 5: Solve for x
    x = 134,711,602.88/14,300.74
  6. Step 6: Final answer
    x = 9,419.90

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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.