Home / 21,048.93-31,577.72-6,256.53

Finding the Fourth Proportional to 21,048.93, 31,577.72 and 6,256.53

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Solution

The fourth proportional to 21,048.93, 31,577.72 and 6,256.53 is: 9,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.93 : 31,577.72 = 6,256.53 : x
  2. Step 2: Convert to fraction form
    21,048.93/31,577.72 = 6,256.53/x
  3. Step 3: Cross multiply
    21,048.93x = 31,577.72 × 6,256.53
  4. Step 4: Simplify right side
    21,048.93x = 197,566,921.23
  5. Step 5: Solve for x
    x = 197,566,921.23/21,048.93
  6. Step 6: Final answer
    x = 9,386.08

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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.