Home / 17,133.68-23,657.88-13,148.48

Finding the Fourth Proportional to 17,133.68, 23,657.88 and 13,148.48

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Solution

The fourth proportional to 17,133.68, 23,657.88 and 13,148.48 is: 18,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.68 : 23,657.88 = 13,148.48 : x
  2. Step 2: Convert to fraction form
    17,133.68/23,657.88 = 13,148.48/x
  3. Step 3: Cross multiply
    17,133.68x = 23,657.88 × 13,148.48
  4. Step 4: Simplify right side
    17,133.68x = 311,065,162.02
  5. Step 5: Solve for x
    x = 311,065,162.02/17,133.68
  6. Step 6: Final answer
    x = 18,155.19

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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.