Home / 9,919.02-14,856.66-9,000.48

Finding the Fourth Proportional to 9,919.02, 14,856.66 and 9,000.48

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Solution

The fourth proportional to 9,919.02, 14,856.66 and 9,000.48 is: 13,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.02 : 14,856.66 = 9,000.48 : x
  2. Step 2: Convert to fraction form
    9,919.02/14,856.66 = 9,000.48/x
  3. Step 3: Cross multiply
    9,919.02x = 14,856.66 × 9,000.48
  4. Step 4: Simplify right side
    9,919.02x = 133,717,071.20
  5. Step 5: Solve for x
    x = 133,717,071.20/9,919.02
  6. Step 6: Final answer
    x = 13,480.88

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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.