Home / 22,782.52-31,442.58-13,832.32

Finding the Fourth Proportional to 22,782.52, 31,442.58 and 13,832.32

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Solution

The fourth proportional to 22,782.52, 31,442.58 and 13,832.32 is: 19,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,782.52 : 31,442.58 = 13,832.32 : x
  2. Step 2: Convert to fraction form
    22,782.52/31,442.58 = 13,832.32/x
  3. Step 3: Cross multiply
    22,782.52x = 31,442.58 × 13,832.32
  4. Step 4: Simplify right side
    22,782.52x = 434,923,828.19
  5. Step 5: Solve for x
    x = 434,923,828.19/22,782.52
  6. Step 6: Final answer
    x = 19,090.24

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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.