Home / 13,997.07-19,315.91-7,624.01

Finding the Fourth Proportional to 13,997.07, 19,315.91 and 7,624.01

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Solution

The fourth proportional to 13,997.07, 19,315.91 and 7,624.01 is: 10,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.07 : 19,315.91 = 7,624.01 : x
  2. Step 2: Convert to fraction form
    13,997.07/19,315.91 = 7,624.01/x
  3. Step 3: Cross multiply
    13,997.07x = 19,315.91 × 7,624.01
  4. Step 4: Simplify right side
    13,997.07x = 147,264,758.35
  5. Step 5: Solve for x
    x = 147,264,758.35/13,997.07
  6. Step 6: Final answer
    x = 10,521.11

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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.