Home / 15,547.56-23,323.64-5,551.53

Finding the Fourth Proportional to 15,547.56, 23,323.64 and 5,551.53

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Solution

The fourth proportional to 15,547.56, 23,323.64 and 5,551.53 is: 8,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.56 : 23,323.64 = 5,551.53 : x
  2. Step 2: Convert to fraction form
    15,547.56/23,323.64 = 5,551.53/x
  3. Step 3: Cross multiply
    15,547.56x = 23,323.64 × 5,551.53
  4. Step 4: Simplify right side
    15,547.56x = 129,481,887.17
  5. Step 5: Solve for x
    x = 129,481,887.17/15,547.56
  6. Step 6: Final answer
    x = 8,328.12

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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.