Home / 21,059.04-29,060.70-11,627.40

Finding the Fourth Proportional to 21,059.04, 29,060.70 and 11,627.40

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Solution

The fourth proportional to 21,059.04, 29,060.70 and 11,627.40 is: 16,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.04 : 29,060.70 = 11,627.40 : x
  2. Step 2: Convert to fraction form
    21,059.04/29,060.70 = 11,627.40/x
  3. Step 3: Cross multiply
    21,059.04x = 29,060.70 × 11,627.40
  4. Step 4: Simplify right side
    21,059.04x = 337,900,383.18
  5. Step 5: Solve for x
    x = 337,900,383.18/21,059.04
  6. Step 6: Final answer
    x = 16,045.38

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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.