Home / 15,526.92-21,426.57-8,453.16

Finding the Fourth Proportional to 15,526.92, 21,426.57 and 8,453.16

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Solution

The fourth proportional to 15,526.92, 21,426.57 and 8,453.16 is: 11,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.92 : 21,426.57 = 8,453.16 : x
  2. Step 2: Convert to fraction form
    15,526.92/21,426.57 = 8,453.16/x
  3. Step 3: Cross multiply
    15,526.92x = 21,426.57 × 8,453.16
  4. Step 4: Simplify right side
    15,526.92x = 181,122,224.46
  5. Step 5: Solve for x
    x = 181,122,224.46/15,526.92
  6. Step 6: Final answer
    x = 11,665.05

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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.