Home / 19,080.48-28,617.36-5,225.76

Finding the Fourth Proportional to 19,080.48, 28,617.36 and 5,225.76

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Solution

The fourth proportional to 19,080.48, 28,617.36 and 5,225.76 is: 7,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.48 : 28,617.36 = 5,225.76 : x
  2. Step 2: Convert to fraction form
    19,080.48/28,617.36 = 5,225.76/x
  3. Step 3: Cross multiply
    19,080.48x = 28,617.36 × 5,225.76
  4. Step 4: Simplify right side
    19,080.48x = 149,547,455.19
  5. Step 5: Solve for x
    x = 149,547,455.19/19,080.48
  6. Step 6: Final answer
    x = 7,837.72

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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.