Home / 18,569.81-25,628.18-10,613.18

Finding the Fourth Proportional to 18,569.81, 25,628.18 and 10,613.18

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Solution

The fourth proportional to 18,569.81, 25,628.18 and 10,613.18 is: 14,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.81 : 25,628.18 = 10,613.18 : x
  2. Step 2: Convert to fraction form
    18,569.81/25,628.18 = 10,613.18/x
  3. Step 3: Cross multiply
    18,569.81x = 25,628.18 × 10,613.18
  4. Step 4: Simplify right side
    18,569.81x = 271,996,306.21
  5. Step 5: Solve for x
    x = 271,996,306.21/18,569.81
  6. Step 6: Final answer
    x = 14,647.24

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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.