Home / 13,812.08-19,054.60-9,334.18

Finding the Fourth Proportional to 13,812.08, 19,054.60 and 9,334.18

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Solution

The fourth proportional to 13,812.08, 19,054.60 and 9,334.18 is: 12,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.08 : 19,054.60 = 9,334.18 : x
  2. Step 2: Convert to fraction form
    13,812.08/19,054.60 = 9,334.18/x
  3. Step 3: Cross multiply
    13,812.08x = 19,054.60 × 9,334.18
  4. Step 4: Simplify right side
    13,812.08x = 177,859,066.23
  5. Step 5: Solve for x
    x = 177,859,066.23/13,812.08
  6. Step 6: Final answer
    x = 12,877.07

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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.