Home / 21,522.84-29,703.96-12,573.24

Finding the Fourth Proportional to 21,522.84, 29,703.96 and 12,573.24

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Solution

The fourth proportional to 21,522.84, 29,703.96 and 12,573.24 is: 17,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.84 : 29,703.96 = 12,573.24 : x
  2. Step 2: Convert to fraction form
    21,522.84/29,703.96 = 12,573.24/x
  3. Step 3: Cross multiply
    21,522.84x = 29,703.96 × 12,573.24
  4. Step 4: Simplify right side
    21,522.84x = 373,475,018.03
  5. Step 5: Solve for x
    x = 373,475,018.03/21,522.84
  6. Step 6: Final answer
    x = 17,352.50

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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.