Home / 13,873.25-19,128.40-9,627.95

Finding the Fourth Proportional to 13,873.25, 19,128.40 and 9,627.95

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Solution

The fourth proportional to 13,873.25, 19,128.40 and 9,627.95 is: 13,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.25 : 19,128.40 = 9,627.95 : x
  2. Step 2: Convert to fraction form
    13,873.25/19,128.40 = 9,627.95/x
  3. Step 3: Cross multiply
    13,873.25x = 19,128.40 × 9,627.95
  4. Step 4: Simplify right side
    13,873.25x = 184,167,302.53
  5. Step 5: Solve for x
    x = 184,167,302.53/13,873.25
  6. Step 6: Final answer
    x = 13,274.99

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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.