Home / 13,480.05-18,592.95-10,962.18

Finding the Fourth Proportional to 13,480.05, 18,592.95 and 10,962.18

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Solution

The fourth proportional to 13,480.05, 18,592.95 and 10,962.18 is: 15,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.05 : 18,592.95 = 10,962.18 : x
  2. Step 2: Convert to fraction form
    13,480.05/18,592.95 = 10,962.18/x
  3. Step 3: Cross multiply
    13,480.05x = 18,592.95 × 10,962.18
  4. Step 4: Simplify right side
    13,480.05x = 203,819,264.63
  5. Step 5: Solve for x
    x = 203,819,264.63/13,480.05
  6. Step 6: Final answer
    x = 15,120.07

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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.