Home / 23,019.54-31,762.14-13,582.64

Finding the Fourth Proportional to 23,019.54, 31,762.14 and 13,582.64

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Solution

The fourth proportional to 23,019.54, 31,762.14 and 13,582.64 is: 18,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,019.54 : 31,762.14 = 13,582.64 : x
  2. Step 2: Convert to fraction form
    23,019.54/31,762.14 = 13,582.64/x
  3. Step 3: Cross multiply
    23,019.54x = 31,762.14 × 13,582.64
  4. Step 4: Simplify right side
    23,019.54x = 431,413,713.25
  5. Step 5: Solve for x
    x = 431,413,713.25/23,019.54
  6. Step 6: Final answer
    x = 18,741.20

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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.