Home / 19,026.48-28,582.92-13,777.68

Finding the Fourth Proportional to 19,026.48, 28,582.92 and 13,777.68

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Solution

The fourth proportional to 19,026.48, 28,582.92 and 13,777.68 is: 20,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.48 : 28,582.92 = 13,777.68 : x
  2. Step 2: Convert to fraction form
    19,026.48/28,582.92 = 13,777.68/x
  3. Step 3: Cross multiply
    19,026.48x = 28,582.92 × 13,777.68
  4. Step 4: Simplify right side
    19,026.48x = 393,806,325.23
  5. Step 5: Solve for x
    x = 393,806,325.23/19,026.48
  6. Step 6: Final answer
    x = 20,697.80

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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.