Home / 21,988.58-32,948.28-17,003.12

Finding the Fourth Proportional to 21,988.58, 32,948.28 and 17,003.12

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Solution

The fourth proportional to 21,988.58, 32,948.28 and 17,003.12 is: 25,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988.58 : 32,948.28 = 17,003.12 : x
  2. Step 2: Convert to fraction form
    21,988.58/32,948.28 = 17,003.12/x
  3. Step 3: Cross multiply
    21,988.58x = 32,948.28 × 17,003.12
  4. Step 4: Simplify right side
    21,988.58x = 560,223,558.63
  5. Step 5: Solve for x
    x = 560,223,558.63/21,988.58
  6. Step 6: Final answer
    x = 25,477.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.