Home / 21,324.56-29,427.58-12,373.58

Finding the Fourth Proportional to 21,324.56, 29,427.58 and 12,373.58

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Solution

The fourth proportional to 21,324.56, 29,427.58 and 12,373.58 is: 17,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.56 : 29,427.58 = 12,373.58 : x
  2. Step 2: Convert to fraction form
    21,324.56/29,427.58 = 12,373.58/x
  3. Step 3: Cross multiply
    21,324.56x = 29,427.58 × 12,373.58
  4. Step 4: Simplify right side
    21,324.56x = 364,124,515.34
  5. Step 5: Solve for x
    x = 364,124,515.34/21,324.56
  6. Step 6: Final answer
    x = 17,075.36

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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.