Home / 15,416.83-21,270.03-10,036.81

Finding the Fourth Proportional to 15,416.83, 21,270.03 and 10,036.81

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Solution

The fourth proportional to 15,416.83, 21,270.03 and 10,036.81 is: 13,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.83 : 21,270.03 = 10,036.81 : x
  2. Step 2: Convert to fraction form
    15,416.83/21,270.03 = 10,036.81/x
  3. Step 3: Cross multiply
    15,416.83x = 21,270.03 × 10,036.81
  4. Step 4: Simplify right side
    15,416.83x = 213,483,093.27
  5. Step 5: Solve for x
    x = 213,483,093.27/15,416.83
  6. Step 6: Final answer
    x = 13,847.41

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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.