Home / 18,569.90-25,626.38-10,071.99

Finding the Fourth Proportional to 18,569.90, 25,626.38 and 10,071.99

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Solution

The fourth proportional to 18,569.90, 25,626.38 and 10,071.99 is: 13,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.90 : 25,626.38 = 10,071.99 : x
  2. Step 2: Convert to fraction form
    18,569.90/25,626.38 = 10,071.99/x
  3. Step 3: Cross multiply
    18,569.90x = 25,626.38 × 10,071.99
  4. Step 4: Simplify right side
    18,569.90x = 258,108,605.64
  5. Step 5: Solve for x
    x = 258,108,605.64/18,569.90
  6. Step 6: Final answer
    x = 13,899.30

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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.