Home / 25,001.28-34,495.74-15,563.16

Finding the Fourth Proportional to 25,001.28, 34,495.74 and 15,563.16

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Solution

The fourth proportional to 25,001.28, 34,495.74 and 15,563.16 is: 21,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,001.28 : 34,495.74 = 15,563.16 : x
  2. Step 2: Convert to fraction form
    25,001.28/34,495.74 = 15,563.16/x
  3. Step 3: Cross multiply
    25,001.28x = 34,495.74 × 15,563.16
  4. Step 4: Simplify right side
    25,001.28x = 536,862,720.94
  5. Step 5: Solve for x
    x = 536,862,720.94/25,001.28
  6. Step 6: Final answer
    x = 21,473.41

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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.