Home / 14,223.56-19,628.90-7,937.16

Finding the Fourth Proportional to 14,223.56, 19,628.90 and 7,937.16

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Solution

The fourth proportional to 14,223.56, 19,628.90 and 7,937.16 is: 10,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.56 : 19,628.90 = 7,937.16 : x
  2. Step 2: Convert to fraction form
    14,223.56/19,628.90 = 7,937.16/x
  3. Step 3: Cross multiply
    14,223.56x = 19,628.90 × 7,937.16
  4. Step 4: Simplify right side
    14,223.56x = 155,797,719.92
  5. Step 5: Solve for x
    x = 155,797,719.92/14,223.56
  6. Step 6: Final answer
    x = 10,953.50

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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.