Home / 14,254.28-19,669.21-7,880.01

Finding the Fourth Proportional to 14,254.28, 19,669.21 and 7,880.01

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Solution

The fourth proportional to 14,254.28, 19,669.21 and 7,880.01 is: 10,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.28 : 19,669.21 = 7,880.01 : x
  2. Step 2: Convert to fraction form
    14,254.28/19,669.21 = 7,880.01/x
  3. Step 3: Cross multiply
    14,254.28x = 19,669.21 × 7,880.01
  4. Step 4: Simplify right side
    14,254.28x = 154,993,571.49
  5. Step 5: Solve for x
    x = 154,993,571.49/14,254.28
  6. Step 6: Final answer
    x = 10,873.48

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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.