Home / 13,160.48-18,160.74-7,494.53

Finding the Fourth Proportional to 13,160.48, 18,160.74 and 7,494.53

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Solution

The fourth proportional to 13,160.48, 18,160.74 and 7,494.53 is: 10,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.48 : 18,160.74 = 7,494.53 : x
  2. Step 2: Convert to fraction form
    13,160.48/18,160.74 = 7,494.53/x
  3. Step 3: Cross multiply
    13,160.48x = 18,160.74 × 7,494.53
  4. Step 4: Simplify right side
    13,160.48x = 136,106,119.95
  5. Step 5: Solve for x
    x = 136,106,119.95/13,160.48
  6. Step 6: Final answer
    x = 10,342.04

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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.