Home / 17,518.95-26,262.80-6,423.05

Finding the Fourth Proportional to 17,518.95, 26,262.80 and 6,423.05

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Solution

The fourth proportional to 17,518.95, 26,262.80 and 6,423.05 is: 9,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.95 : 26,262.80 = 6,423.05 : x
  2. Step 2: Convert to fraction form
    17,518.95/26,262.80 = 6,423.05/x
  3. Step 3: Cross multiply
    17,518.95x = 26,262.80 × 6,423.05
  4. Step 4: Simplify right side
    17,518.95x = 168,687,347.21
  5. Step 5: Solve for x
    x = 168,687,347.21/17,518.95
  6. Step 6: Final answer
    x = 9,628.85

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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.