Home / 15,526.96-21,426.63-8,453.24

Finding the Fourth Proportional to 15,526.96, 21,426.63 and 8,453.24

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Solution

The fourth proportional to 15,526.96, 21,426.63 and 8,453.24 is: 11,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.96 : 21,426.63 = 8,453.24 : x
  2. Step 2: Convert to fraction form
    15,526.96/21,426.63 = 8,453.24/x
  3. Step 3: Cross multiply
    15,526.96x = 21,426.63 × 8,453.24
  4. Step 4: Simplify right side
    15,526.96x = 181,124,445.78
  5. Step 5: Solve for x
    x = 181,124,445.78/15,526.96
  6. Step 6: Final answer
    x = 11,665.16

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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.