Home / 19,117.35-26,380.99-10,620.01

Finding the Fourth Proportional to 19,117.35, 26,380.99 and 10,620.01

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Solution

The fourth proportional to 19,117.35, 26,380.99 and 10,620.01 is: 14,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.35 : 26,380.99 = 10,620.01 : x
  2. Step 2: Convert to fraction form
    19,117.35/26,380.99 = 10,620.01/x
  3. Step 3: Cross multiply
    19,117.35x = 26,380.99 × 10,620.01
  4. Step 4: Simplify right side
    19,117.35x = 280,166,192.60
  5. Step 5: Solve for x
    x = 280,166,192.60/19,117.35
  6. Step 6: Final answer
    x = 14,655.08

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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.