Home / 19,023.15-28,483.68-15,498.74

Finding the Fourth Proportional to 19,023.15, 28,483.68 and 15,498.74

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Solution

The fourth proportional to 19,023.15, 28,483.68 and 15,498.74 is: 23,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.15 : 28,483.68 = 15,498.74 : x
  2. Step 2: Convert to fraction form
    19,023.15/28,483.68 = 15,498.74/x
  3. Step 3: Cross multiply
    19,023.15x = 28,483.68 × 15,498.74
  4. Step 4: Simplify right side
    19,023.15x = 441,461,279.89
  5. Step 5: Solve for x
    x = 441,461,279.89/19,023.15
  6. Step 6: Final answer
    x = 23,206.52

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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.