Home / 19,675.16-27,151.35-10,722.72

Finding the Fourth Proportional to 19,675.16, 27,151.35 and 10,722.72

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Solution

The fourth proportional to 19,675.16, 27,151.35 and 10,722.72 is: 14,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.16 : 27,151.35 = 10,722.72 : x
  2. Step 2: Convert to fraction form
    19,675.16/27,151.35 = 10,722.72/x
  3. Step 3: Cross multiply
    19,675.16x = 27,151.35 × 10,722.72
  4. Step 4: Simplify right side
    19,675.16x = 291,136,323.67
  5. Step 5: Solve for x
    x = 291,136,323.67/19,675.16
  6. Step 6: Final answer
    x = 14,797.16

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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.