Home / 19,099.76-28,548.76-17,222.16

Finding the Fourth Proportional to 19,099.76, 28,548.76 and 17,222.16

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Solution

The fourth proportional to 19,099.76, 28,548.76 and 17,222.16 is: 25,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.76 : 28,548.76 = 17,222.16 : x
  2. Step 2: Convert to fraction form
    19,099.76/28,548.76 = 17,222.16/x
  3. Step 3: Cross multiply
    19,099.76x = 28,548.76 × 17,222.16
  4. Step 4: Simplify right side
    19,099.76x = 491,671,312.52
  5. Step 5: Solve for x
    x = 491,671,312.52/19,099.76
  6. Step 6: Final answer
    x = 25,742.28

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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.