Home / 19,574.79-27,013.28-10,622.30

Finding the Fourth Proportional to 19,574.79, 27,013.28 and 10,622.30

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Solution

The fourth proportional to 19,574.79, 27,013.28 and 10,622.30 is: 14,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.79 : 27,013.28 = 10,622.30 : x
  2. Step 2: Convert to fraction form
    19,574.79/27,013.28 = 10,622.30/x
  3. Step 3: Cross multiply
    19,574.79x = 27,013.28 × 10,622.30
  4. Step 4: Simplify right side
    19,574.79x = 286,943,029.08
  5. Step 5: Solve for x
    x = 286,943,029.08/19,574.79
  6. Step 6: Final answer
    x = 14,658.80

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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.