Home / 18,896.13-26,076.74-10,398.29

Finding the Fourth Proportional to 18,896.13, 26,076.74 and 10,398.29

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Solution

The fourth proportional to 18,896.13, 26,076.74 and 10,398.29 is: 14,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.13 : 26,076.74 = 10,398.29 : x
  2. Step 2: Convert to fraction form
    18,896.13/26,076.74 = 10,398.29/x
  3. Step 3: Cross multiply
    18,896.13x = 26,076.74 × 10,398.29
  4. Step 4: Simplify right side
    18,896.13x = 271,153,322.40
  5. Step 5: Solve for x
    x = 271,153,322.40/18,896.13
  6. Step 6: Final answer
    x = 14,349.67

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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.