Home / 22,536.18-31,105.08-13,106.16

Finding the Fourth Proportional to 22,536.18, 31,105.08 and 13,106.16

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Solution

The fourth proportional to 22,536.18, 31,105.08 and 13,106.16 is: 18,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.18 : 31,105.08 = 13,106.16 : x
  2. Step 2: Convert to fraction form
    22,536.18/31,105.08 = 13,106.16/x
  3. Step 3: Cross multiply
    22,536.18x = 31,105.08 × 13,106.16
  4. Step 4: Simplify right side
    22,536.18x = 407,668,155.29
  5. Step 5: Solve for x
    x = 407,668,155.29/22,536.18
  6. Step 6: Final answer
    x = 18,089.50

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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.