Home / 14,036.72-19,370.60-7,749.08

Finding the Fourth Proportional to 14,036.72, 19,370.60 and 7,749.08

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Solution

The fourth proportional to 14,036.72, 19,370.60 and 7,749.08 is: 10,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.72 : 19,370.60 = 7,749.08 : x
  2. Step 2: Convert to fraction form
    14,036.72/19,370.60 = 7,749.08/x
  3. Step 3: Cross multiply
    14,036.72x = 19,370.60 × 7,749.08
  4. Step 4: Simplify right side
    14,036.72x = 150,104,329.05
  5. Step 5: Solve for x
    x = 150,104,329.05/14,036.72
  6. Step 6: Final answer
    x = 10,693.69

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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.