Home / 19,119.61-26,384.16-10,622.28

Finding the Fourth Proportional to 19,119.61, 26,384.16 and 10,622.28

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Solution

The fourth proportional to 19,119.61, 26,384.16 and 10,622.28 is: 14,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.61 : 26,384.16 = 10,622.28 : x
  2. Step 2: Convert to fraction form
    19,119.61/26,384.16 = 10,622.28/x
  3. Step 3: Cross multiply
    19,119.61x = 26,384.16 × 10,622.28
  4. Step 4: Simplify right side
    19,119.61x = 280,259,935.08
  5. Step 5: Solve for x
    x = 280,259,935.08/19,119.61
  6. Step 6: Final answer
    x = 14,658.25

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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.