Home / 14,176.56-19,563.32-7,888.80

Finding the Fourth Proportional to 14,176.56, 19,563.32 and 7,888.80

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Solution

The fourth proportional to 14,176.56, 19,563.32 and 7,888.80 is: 10,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.56 : 19,563.32 = 7,888.80 : x
  2. Step 2: Convert to fraction form
    14,176.56/19,563.32 = 7,888.80/x
  3. Step 3: Cross multiply
    14,176.56x = 19,563.32 × 7,888.80
  4. Step 4: Simplify right side
    14,176.56x = 154,331,118.82
  5. Step 5: Solve for x
    x = 154,331,118.82/14,176.56
  6. Step 6: Final answer
    x = 10,886.36

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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.