Home / 25,345.64-38,023.90-7,577.69

Finding the Fourth Proportional to 25,345.64, 38,023.90 and 7,577.69

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Solution

The fourth proportional to 25,345.64, 38,023.90 and 7,577.69 is: 11,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.64 : 38,023.90 = 7,577.69 : x
  2. Step 2: Convert to fraction form
    25,345.64/38,023.90 = 7,577.69/x
  3. Step 3: Cross multiply
    25,345.64x = 38,023.90 × 7,577.69
  4. Step 4: Simplify right side
    25,345.64x = 288,133,326.79
  5. Step 5: Solve for x
    x = 288,133,326.79/25,345.64
  6. Step 6: Final answer
    x = 11,368.16

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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.