Home / 18,904.56-26,088.57-10,407.06

Finding the Fourth Proportional to 18,904.56, 26,088.57 and 10,407.06

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Solution

The fourth proportional to 18,904.56, 26,088.57 and 10,407.06 is: 14,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.56 : 26,088.57 = 10,407.06 : x
  2. Step 2: Convert to fraction form
    18,904.56/26,088.57 = 10,407.06/x
  3. Step 3: Cross multiply
    18,904.56x = 26,088.57 × 10,407.06
  4. Step 4: Simplify right side
    18,904.56x = 271,505,313.30
  5. Step 5: Solve for x
    x = 271,505,313.30/18,904.56
  6. Step 6: Final answer
    x = 14,361.90

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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.