Home / 25,582.72-38,374.80-7,114.72

Finding the Fourth Proportional to 25,582.72, 38,374.80 and 7,114.72

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Solution

The fourth proportional to 25,582.72, 38,374.80 and 7,114.72 is: 10,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,582.72 : 38,374.80 = 7,114.72 : x
  2. Step 2: Convert to fraction form
    25,582.72/38,374.80 = 7,114.72/x
  3. Step 3: Cross multiply
    25,582.72x = 38,374.80 × 7,114.72
  4. Step 4: Simplify right side
    25,582.72x = 273,025,957.06
  5. Step 5: Solve for x
    x = 273,025,957.06/25,582.72
  6. Step 6: Final answer
    x = 10,672.28

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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.