Home / 14,583.48-20,143.35-13,166.48

Finding the Fourth Proportional to 14,583.48, 20,143.35 and 13,166.48

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Solution

The fourth proportional to 14,583.48, 20,143.35 and 13,166.48 is: 18,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.48 : 20,143.35 = 13,166.48 : x
  2. Step 2: Convert to fraction form
    14,583.48/20,143.35 = 13,166.48/x
  3. Step 3: Cross multiply
    14,583.48x = 20,143.35 × 13,166.48
  4. Step 4: Simplify right side
    14,583.48x = 265,217,065.27
  5. Step 5: Solve for x
    x = 265,217,065.27/14,583.48
  6. Step 6: Final answer
    x = 18,186.13

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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.