Home / 25,875.23-38,812.80-7,155.22

Finding the Fourth Proportional to 25,875.23, 38,812.80 and 7,155.22

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Solution

The fourth proportional to 25,875.23, 38,812.80 and 7,155.22 is: 10,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.23 : 38,812.80 = 7,155.22 : x
  2. Step 2: Convert to fraction form
    25,875.23/38,812.80 = 7,155.22/x
  3. Step 3: Cross multiply
    25,875.23x = 38,812.80 × 7,155.22
  4. Step 4: Simplify right side
    25,875.23x = 277,714,122.82
  5. Step 5: Solve for x
    x = 277,714,122.82/25,875.23
  6. Step 6: Final answer
    x = 10,732.82

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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.