Home / 13,970.72-19,278.73-8,001.02

Finding the Fourth Proportional to 13,970.72, 19,278.73 and 8,001.02

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Solution

The fourth proportional to 13,970.72, 19,278.73 and 8,001.02 is: 11,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.72 : 19,278.73 = 8,001.02 : x
  2. Step 2: Convert to fraction form
    13,970.72/19,278.73 = 8,001.02/x
  3. Step 3: Cross multiply
    13,970.72x = 19,278.73 × 8,001.02
  4. Step 4: Simplify right side
    13,970.72x = 154,249,504.30
  5. Step 5: Solve for x
    x = 154,249,504.30/13,970.72
  6. Step 6: Final answer
    x = 11,040.91

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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.