Home / 23,219.64-32,036.04-13,146.48

Finding the Fourth Proportional to 23,219.64, 32,036.04 and 13,146.48

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Solution

The fourth proportional to 23,219.64, 32,036.04 and 13,146.48 is: 18,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,219.64 : 32,036.04 = 13,146.48 : x
  2. Step 2: Convert to fraction form
    23,219.64/32,036.04 = 13,146.48/x
  3. Step 3: Cross multiply
    23,219.64x = 32,036.04 × 13,146.48
  4. Step 4: Simplify right side
    23,219.64x = 421,161,159.14
  5. Step 5: Solve for x
    x = 421,161,159.14/23,219.64
  6. Step 6: Final answer
    x = 18,138.14

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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.