Home / 17,130.30-23,595.81-12,085.62

Finding the Fourth Proportional to 17,130.30, 23,595.81 and 12,085.62

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Solution

The fourth proportional to 17,130.30, 23,595.81 and 12,085.62 is: 16,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.30 : 23,595.81 = 12,085.62 : x
  2. Step 2: Convert to fraction form
    17,130.30/23,595.81 = 12,085.62/x
  3. Step 3: Cross multiply
    17,130.30x = 23,595.81 × 12,085.62
  4. Step 4: Simplify right side
    17,130.30x = 285,169,993.25
  5. Step 5: Solve for x
    x = 285,169,993.25/17,130.30
  6. Step 6: Final answer
    x = 16,647.11

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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.