Home / 19,417.80-29,105.10-10,054.20

Finding the Fourth Proportional to 19,417.80, 29,105.10 and 10,054.20

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Solution

The fourth proportional to 19,417.80, 29,105.10 and 10,054.20 is: 15,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.80 : 29,105.10 = 10,054.20 : x
  2. Step 2: Convert to fraction form
    19,417.80/29,105.10 = 10,054.20/x
  3. Step 3: Cross multiply
    19,417.80x = 29,105.10 × 10,054.20
  4. Step 4: Simplify right side
    19,417.80x = 292,628,496.42
  5. Step 5: Solve for x
    x = 292,628,496.42/19,417.80
  6. Step 6: Final answer
    x = 15,070.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.