Home / 13,465.10-18,582.42-11,223.22

Finding the Fourth Proportional to 13,465.10, 18,582.42 and 11,223.22

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Solution

The fourth proportional to 13,465.10, 18,582.42 and 11,223.22 is: 15,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.10 : 18,582.42 = 11,223.22 : x
  2. Step 2: Convert to fraction form
    13,465.10/18,582.42 = 11,223.22/x
  3. Step 3: Cross multiply
    13,465.10x = 18,582.42 × 11,223.22
  4. Step 4: Simplify right side
    13,465.10x = 208,554,587.79
  5. Step 5: Solve for x
    x = 208,554,587.79/13,465.10
  6. Step 6: Final answer
    x = 15,488.53

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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.