Home / 18,530.48-25,571.76-10,572.68

Finding the Fourth Proportional to 18,530.48, 25,571.76 and 10,572.68

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Solution

The fourth proportional to 18,530.48, 25,571.76 and 10,572.68 is: 14,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.48 : 25,571.76 = 10,572.68 : x
  2. Step 2: Convert to fraction form
    18,530.48/25,571.76 = 10,572.68/x
  3. Step 3: Cross multiply
    18,530.48x = 25,571.76 × 10,572.68
  4. Step 4: Simplify right side
    18,530.48x = 270,362,035.52
  5. Step 5: Solve for x
    x = 270,362,035.52/18,530.48
  6. Step 6: Final answer
    x = 14,590.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.