Home / 13,899.65-19,176.75-7,927.02

Finding the Fourth Proportional to 13,899.65, 19,176.75 and 7,927.02

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Solution

The fourth proportional to 13,899.65, 19,176.75 and 7,927.02 is: 10,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.65 : 19,176.75 = 7,927.02 : x
  2. Step 2: Convert to fraction form
    13,899.65/19,176.75 = 7,927.02/x
  3. Step 3: Cross multiply
    13,899.65x = 19,176.75 × 7,927.02
  4. Step 4: Simplify right side
    13,899.65x = 152,014,480.79
  5. Step 5: Solve for x
    x = 152,014,480.79/13,899.65
  6. Step 6: Final answer
    x = 10,936.57

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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.