Home / 15,632.29-21,569.09-9,255.67

Finding the Fourth Proportional to 15,632.29, 21,569.09 and 9,255.67

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Solution

The fourth proportional to 15,632.29, 21,569.09 and 9,255.67 is: 12,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.29 : 21,569.09 = 9,255.67 : x
  2. Step 2: Convert to fraction form
    15,632.29/21,569.09 = 9,255.67/x
  3. Step 3: Cross multiply
    15,632.29x = 21,569.09 × 9,255.67
  4. Step 4: Simplify right side
    15,632.29x = 199,636,279.04
  5. Step 5: Solve for x
    x = 199,636,279.04/15,632.29
  6. Step 6: Final answer
    x = 12,770.76

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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.