Home / 14,048.08-19,386.60-7,760.08

Finding the Fourth Proportional to 14,048.08, 19,386.60 and 7,760.08

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Solution

The fourth proportional to 14,048.08, 19,386.60 and 7,760.08 is: 10,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.08 : 19,386.60 = 7,760.08 : x
  2. Step 2: Convert to fraction form
    14,048.08/19,386.60 = 7,760.08/x
  3. Step 3: Cross multiply
    14,048.08x = 19,386.60 × 7,760.08
  4. Step 4: Simplify right side
    14,048.08x = 150,441,566.93
  5. Step 5: Solve for x
    x = 150,441,566.93/14,048.08
  6. Step 6: Final answer
    x = 10,709.05

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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.