Home / 15,623.27-21,560.02-8,549.67

Finding the Fourth Proportional to 15,623.27, 21,560.02 and 8,549.67

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Solution

The fourth proportional to 15,623.27, 21,560.02 and 8,549.67 is: 11,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.27 : 21,560.02 = 8,549.67 : x
  2. Step 2: Convert to fraction form
    15,623.27/21,560.02 = 8,549.67/x
  3. Step 3: Cross multiply
    15,623.27x = 21,560.02 × 8,549.67
  4. Step 4: Simplify right side
    15,623.27x = 184,331,056.19
  5. Step 5: Solve for x
    x = 184,331,056.19/15,623.27
  6. Step 6: Final answer
    x = 11,798.49

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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.