Home / 18,373.90-25,347.72-11,297.74

Finding the Fourth Proportional to 18,373.90, 25,347.72 and 11,297.74

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Solution

The fourth proportional to 18,373.90, 25,347.72 and 11,297.74 is: 15,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.90 : 25,347.72 = 11,297.74 : x
  2. Step 2: Convert to fraction form
    18,373.90/25,347.72 = 11,297.74/x
  3. Step 3: Cross multiply
    18,373.90x = 25,347.72 × 11,297.74
  4. Step 4: Simplify right side
    18,373.90x = 286,371,950.15
  5. Step 5: Solve for x
    x = 286,371,950.15/18,373.90
  6. Step 6: Final answer
    x = 15,585.80

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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.