Home / 19,210.60-28,808.52-5,881.12

Finding the Fourth Proportional to 19,210.60, 28,808.52 and 5,881.12

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Solution

The fourth proportional to 19,210.60, 28,808.52 and 5,881.12 is: 8,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.60 : 28,808.52 = 5,881.12 : x
  2. Step 2: Convert to fraction form
    19,210.60/28,808.52 = 5,881.12/x
  3. Step 3: Cross multiply
    19,210.60x = 28,808.52 × 5,881.12
  4. Step 4: Simplify right side
    19,210.60x = 169,426,363.14
  5. Step 5: Solve for x
    x = 169,426,363.14/19,210.60
  6. Step 6: Final answer
    x = 8,819.42

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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.