Home / 23,152.12-31,944.64-13,080.04

Finding the Fourth Proportional to 23,152.12, 31,944.64 and 13,080.04

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Solution

The fourth proportional to 23,152.12, 31,944.64 and 13,080.04 is: 18,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,152.12 : 31,944.64 = 13,080.04 : x
  2. Step 2: Convert to fraction form
    23,152.12/31,944.64 = 13,080.04/x
  3. Step 3: Cross multiply
    23,152.12x = 31,944.64 × 13,080.04
  4. Step 4: Simplify right side
    23,152.12x = 417,837,168.99
  5. Step 5: Solve for x
    x = 417,837,168.99/23,152.12
  6. Step 6: Final answer
    x = 18,047.47

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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.