Home / 21,324.76-29,427.73-12,373.14

Finding the Fourth Proportional to 21,324.76, 29,427.73 and 12,373.14

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Solution

The fourth proportional to 21,324.76, 29,427.73 and 12,373.14 is: 17,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.76 : 29,427.73 = 12,373.14 : x
  2. Step 2: Convert to fraction form
    21,324.76/29,427.73 = 12,373.14/x
  3. Step 3: Cross multiply
    21,324.76x = 29,427.73 × 12,373.14
  4. Step 4: Simplify right side
    21,324.76x = 364,113,423.17
  5. Step 5: Solve for x
    x = 364,113,423.17/21,324.76
  6. Step 6: Final answer
    x = 17,074.68

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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.