Home / 25,970.14-38,961.76-7,250.16

Finding the Fourth Proportional to 25,970.14, 38,961.76 and 7,250.16

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Solution

The fourth proportional to 25,970.14, 38,961.76 and 7,250.16 is: 10,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.14 : 38,961.76 = 7,250.16 : x
  2. Step 2: Convert to fraction form
    25,970.14/38,961.76 = 7,250.16/x
  3. Step 3: Cross multiply
    25,970.14x = 38,961.76 × 7,250.16
  4. Step 4: Simplify right side
    25,970.14x = 282,478,993.88
  5. Step 5: Solve for x
    x = 282,478,993.88/25,970.14
  6. Step 6: Final answer
    x = 10,877.07

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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.