Home / 19,210.28-26,457.20-16,556.72

Finding the Fourth Proportional to 19,210.28, 26,457.20 and 16,556.72

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Solution

The fourth proportional to 19,210.28, 26,457.20 and 16,556.72 is: 22,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.28 : 26,457.20 = 16,556.72 : x
  2. Step 2: Convert to fraction form
    19,210.28/26,457.20 = 16,556.72/x
  3. Step 3: Cross multiply
    19,210.28x = 26,457.20 × 16,556.72
  4. Step 4: Simplify right side
    19,210.28x = 438,044,452.38
  5. Step 5: Solve for x
    x = 438,044,452.38/19,210.28
  6. Step 6: Final answer
    x = 22,802.61

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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.