Home / 25,440.66-38,111.58-14,313.42

Finding the Fourth Proportional to 25,440.66, 38,111.58 and 14,313.42

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Solution

The fourth proportional to 25,440.66, 38,111.58 and 14,313.42 is: 21,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.66 : 38,111.58 = 14,313.42 : x
  2. Step 2: Convert to fraction form
    25,440.66/38,111.58 = 14,313.42/x
  3. Step 3: Cross multiply
    25,440.66x = 38,111.58 × 14,313.42
  4. Step 4: Simplify right side
    25,440.66x = 545,507,051.40
  5. Step 5: Solve for x
    x = 545,507,051.40/25,440.66
  6. Step 6: Final answer
    x = 21,442.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.