Home / 25,815.38-38,723.50-7,095.30

Finding the Fourth Proportional to 25,815.38, 38,723.50 and 7,095.30

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Solution

The fourth proportional to 25,815.38, 38,723.50 and 7,095.30 is: 10,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.38 : 38,723.50 = 7,095.30 : x
  2. Step 2: Convert to fraction form
    25,815.38/38,723.50 = 7,095.30/x
  3. Step 3: Cross multiply
    25,815.38x = 38,723.50 × 7,095.30
  4. Step 4: Simplify right side
    25,815.38x = 274,754,831.81
  5. Step 5: Solve for x
    x = 274,754,831.81/25,815.38
  6. Step 6: Final answer
    x = 10,643.07

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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.