Home / 18,646.30-25,726.10-10,578.62

Finding the Fourth Proportional to 18,646.30, 25,726.10 and 10,578.62

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Solution

The fourth proportional to 18,646.30, 25,726.10 and 10,578.62 is: 14,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.30 : 25,726.10 = 10,578.62 : x
  2. Step 2: Convert to fraction form
    18,646.30/25,726.10 = 10,578.62/x
  3. Step 3: Cross multiply
    18,646.30x = 25,726.10 × 10,578.62
  4. Step 4: Simplify right side
    18,646.30x = 272,146,647.40
  5. Step 5: Solve for x
    x = 272,146,647.40/18,646.30
  6. Step 6: Final answer
    x = 14,595.21

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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.