Home / 42,582.93-63,874.05-10,990.29

Finding the Fourth Proportional to 42,582.93, 63,874.05 and 10,990.29

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Solution

The fourth proportional to 42,582.93, 63,874.05 and 10,990.29 is: 16,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,582.93 : 63,874.05 = 10,990.29 : x
  2. Step 2: Convert to fraction form
    42,582.93/63,874.05 = 10,990.29/x
  3. Step 3: Cross multiply
    42,582.93x = 63,874.05 × 10,990.29
  4. Step 4: Simplify right side
    42,582.93x = 701,994,332.97
  5. Step 5: Solve for x
    x = 701,994,332.97/42,582.93
  6. Step 6: Final answer
    x = 16,485.35

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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.