Home / 18,905.01-26,088.29-10,406.36

Finding the Fourth Proportional to 18,905.01, 26,088.29 and 10,406.36

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Solution

The fourth proportional to 18,905.01, 26,088.29 and 10,406.36 is: 14,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.01 : 26,088.29 = 10,406.36 : x
  2. Step 2: Convert to fraction form
    18,905.01/26,088.29 = 10,406.36/x
  3. Step 3: Cross multiply
    18,905.01x = 26,088.29 × 10,406.36
  4. Step 4: Simplify right side
    18,905.01x = 271,483,955.05
  5. Step 5: Solve for x
    x = 271,483,955.05/18,905.01
  6. Step 6: Final answer
    x = 14,360.42

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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.