Home / 13,823.46-19,078.74-9,580.68

Finding the Fourth Proportional to 13,823.46, 19,078.74 and 9,580.68

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Solution

The fourth proportional to 13,823.46, 19,078.74 and 9,580.68 is: 13,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.46 : 19,078.74 = 9,580.68 : x
  2. Step 2: Convert to fraction form
    13,823.46/19,078.74 = 9,580.68/x
  3. Step 3: Cross multiply
    13,823.46x = 19,078.74 × 9,580.68
  4. Step 4: Simplify right side
    13,823.46x = 182,787,302.74
  5. Step 5: Solve for x
    x = 182,787,302.74/13,823.46
  6. Step 6: Final answer
    x = 13,222.98

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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.