Home / 13,256.02-19,882.99-7,705.82

Finding the Fourth Proportional to 13,256.02, 19,882.99 and 7,705.82

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Solution

The fourth proportional to 13,256.02, 19,882.99 and 7,705.82 is: 11,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.02 : 19,882.99 = 7,705.82 : x
  2. Step 2: Convert to fraction form
    13,256.02/19,882.99 = 7,705.82/x
  3. Step 3: Cross multiply
    13,256.02x = 19,882.99 × 7,705.82
  4. Step 4: Simplify right side
    13,256.02x = 153,214,831.64
  5. Step 5: Solve for x
    x = 153,214,831.64/13,256.02
  6. Step 6: Final answer
    x = 11,558.13

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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.