Home / 13,333.18-18,386.01-11,451.00

Finding the Fourth Proportional to 13,333.18, 18,386.01 and 11,451.00

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Solution

The fourth proportional to 13,333.18, 18,386.01 and 11,451.00 is: 15,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.18 : 18,386.01 = 11,451.00 : x
  2. Step 2: Convert to fraction form
    13,333.18/18,386.01 = 11,451.00/x
  3. Step 3: Cross multiply
    13,333.18x = 18,386.01 × 11,451.00
  4. Step 4: Simplify right side
    13,333.18x = 210,538,154.54
  5. Step 5: Solve for x
    x = 210,538,154.54/13,333.18
  6. Step 6: Final answer
    x = 15,790.54

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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.