Home / 14,254.53-19,669.55-7,880.27

Finding the Fourth Proportional to 14,254.53, 19,669.55 and 7,880.27

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Solution

The fourth proportional to 14,254.53, 19,669.55 and 7,880.27 is: 10,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.53 : 19,669.55 = 7,880.27 : x
  2. Step 2: Convert to fraction form
    14,254.53/19,669.55 = 7,880.27/x
  3. Step 3: Cross multiply
    14,254.53x = 19,669.55 × 7,880.27
  4. Step 4: Simplify right side
    14,254.53x = 155,001,227.03
  5. Step 5: Solve for x
    x = 155,001,227.03/14,254.53
  6. Step 6: Final answer
    x = 10,873.82

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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.