Home / 14,261.93-19,680.66-7,888.16

Finding the Fourth Proportional to 14,261.93, 19,680.66 and 7,888.16

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Solution

The fourth proportional to 14,261.93, 19,680.66 and 7,888.16 is: 10,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.93 : 19,680.66 = 7,888.16 : x
  2. Step 2: Convert to fraction form
    14,261.93/19,680.66 = 7,888.16/x
  3. Step 3: Cross multiply
    14,261.93x = 19,680.66 × 7,888.16
  4. Step 4: Simplify right side
    14,261.93x = 155,244,096.58
  5. Step 5: Solve for x
    x = 155,244,096.58/14,261.93
  6. Step 6: Final answer
    x = 10,885.21

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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.