Home / 17,043.90-25,428.95-15,172.80

Finding the Fourth Proportional to 17,043.90, 25,428.95 and 15,172.80

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Solution

The fourth proportional to 17,043.90, 25,428.95 and 15,172.80 is: 22,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,043.90 : 25,428.95 = 15,172.80 : x
  2. Step 2: Convert to fraction form
    17,043.90/25,428.95 = 15,172.80/x
  3. Step 3: Cross multiply
    17,043.90x = 25,428.95 × 15,172.80
  4. Step 4: Simplify right side
    17,043.90x = 385,828,372.56
  5. Step 5: Solve for x
    x = 385,828,372.56/17,043.90
  6. Step 6: Final answer
    x = 22,637.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.