Home / 19,119.32-26,385.40-10,622.08

Finding the Fourth Proportional to 19,119.32, 26,385.40 and 10,622.08

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Solution

The fourth proportional to 19,119.32, 26,385.40 and 10,622.08 is: 14,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.32 : 26,385.40 = 10,622.08 : x
  2. Step 2: Convert to fraction form
    19,119.32/26,385.40 = 10,622.08/x
  3. Step 3: Cross multiply
    19,119.32x = 26,385.40 × 10,622.08
  4. Step 4: Simplify right side
    19,119.32x = 280,267,829.63
  5. Step 5: Solve for x
    x = 280,267,829.63/19,119.32
  6. Step 6: Final answer
    x = 14,658.88

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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.