Home / 21,541.55-29,750.00-19,193.40

Finding the Fourth Proportional to 21,541.55, 29,750.00 and 19,193.40

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Solution

The fourth proportional to 21,541.55, 29,750.00 and 19,193.40 is: 26,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.55 : 29,750.00 = 19,193.40 : x
  2. Step 2: Convert to fraction form
    21,541.55/29,750.00 = 19,193.40/x
  3. Step 3: Cross multiply
    21,541.55x = 29,750.00 × 19,193.40
  4. Step 4: Simplify right side
    21,541.55x = 571,003,554.03
  5. Step 5: Solve for x
    x = 571,003,554.03/21,541.55
  6. Step 6: Final answer
    x = 26,507.08

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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.