Home / 13,798.83-20,592.21-12,322.53

Finding the Fourth Proportional to 13,798.83, 20,592.21 and 12,322.53

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Solution

The fourth proportional to 13,798.83, 20,592.21 and 12,322.53 is: 18,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.83 : 20,592.21 = 12,322.53 : x
  2. Step 2: Convert to fraction form
    13,798.83/20,592.21 = 12,322.53/x
  3. Step 3: Cross multiply
    13,798.83x = 20,592.21 × 12,322.53
  4. Step 4: Simplify right side
    13,798.83x = 253,748,063.88
  5. Step 5: Solve for x
    x = 253,748,063.88/13,798.83
  6. Step 6: Final answer
    x = 18,389.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.