Home / 30,582.87-42,187.26-19,248.15

Finding the Fourth Proportional to 30,582.87, 42,187.26 and 19,248.15

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Solution

The fourth proportional to 30,582.87, 42,187.26 and 19,248.15 is: 26,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.87 : 42,187.26 = 19,248.15 : x
  2. Step 2: Convert to fraction form
    30,582.87/42,187.26 = 19,248.15/x
  3. Step 3: Cross multiply
    30,582.87x = 42,187.26 × 19,248.15
  4. Step 4: Simplify right side
    30,582.87x = 812,026,708.57
  5. Step 5: Solve for x
    x = 812,026,708.57/30,582.87
  6. Step 6: Final answer
    x = 26,551.68

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1.5x scale

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.