Home / 18,905.50-26,089.59-10,523.98

Finding the Fourth Proportional to 18,905.50, 26,089.59 and 10,523.98

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Solution

The fourth proportional to 18,905.50, 26,089.59 and 10,523.98 is: 14,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.50 : 26,089.59 = 10,523.98 : x
  2. Step 2: Convert to fraction form
    18,905.50/26,089.59 = 10,523.98/x
  3. Step 3: Cross multiply
    18,905.50x = 26,089.59 × 10,523.98
  4. Step 4: Simplify right side
    18,905.50x = 274,566,323.37
  5. Step 5: Solve for x
    x = 274,566,323.37/18,905.50
  6. Step 6: Final answer
    x = 14,523.09

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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.