Home / 19,673.75-27,132.06-12,598.81

Finding the Fourth Proportional to 19,673.75, 27,132.06 and 12,598.81

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Solution

The fourth proportional to 19,673.75, 27,132.06 and 12,598.81 is: 17,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.75 : 27,132.06 = 12,598.81 : x
  2. Step 2: Convert to fraction form
    19,673.75/27,132.06 = 12,598.81/x
  3. Step 3: Cross multiply
    19,673.75x = 27,132.06 × 12,598.81
  4. Step 4: Simplify right side
    19,673.75x = 341,831,648.26
  5. Step 5: Solve for x
    x = 341,831,648.26/19,673.75
  6. Step 6: Final answer
    x = 17,375.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.