Home / 13,084.08-18,055.63-7,419.35

Finding the Fourth Proportional to 13,084.08, 18,055.63 and 7,419.35

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Solution

The fourth proportional to 13,084.08, 18,055.63 and 7,419.35 is: 10,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.08 : 18,055.63 = 7,419.35 : x
  2. Step 2: Convert to fraction form
    13,084.08/18,055.63 = 7,419.35/x
  3. Step 3: Cross multiply
    13,084.08x = 18,055.63 × 7,419.35
  4. Step 4: Simplify right side
    13,084.08x = 133,961,038.44
  5. Step 5: Solve for x
    x = 133,961,038.44/13,084.08
  6. Step 6: Final answer
    x = 10,238.48

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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.