Home / 14,064.71-19,409.28-7,777.04

Finding the Fourth Proportional to 14,064.71, 19,409.28 and 7,777.04

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Solution

The fourth proportional to 14,064.71, 19,409.28 and 7,777.04 is: 10,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.71 : 19,409.28 = 7,777.04 : x
  2. Step 2: Convert to fraction form
    14,064.71/19,409.28 = 7,777.04/x
  3. Step 3: Cross multiply
    14,064.71x = 19,409.28 × 7,777.04
  4. Step 4: Simplify right side
    14,064.71x = 150,946,746.93
  5. Step 5: Solve for x
    x = 150,946,746.93/14,064.71
  6. Step 6: Final answer
    x = 10,732.30

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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.