Home / 13,795.76-19,057.53-12,303.20

Finding the Fourth Proportional to 13,795.76, 19,057.53 and 12,303.20

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Solution

The fourth proportional to 13,795.76, 19,057.53 and 12,303.20 is: 16,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.76 : 19,057.53 = 12,303.20 : x
  2. Step 2: Convert to fraction form
    13,795.76/19,057.53 = 12,303.20/x
  3. Step 3: Cross multiply
    13,795.76x = 19,057.53 × 12,303.20
  4. Step 4: Simplify right side
    13,795.76x = 234,468,507.81
  5. Step 5: Solve for x
    x = 234,468,507.81/13,795.76
  6. Step 6: Final answer
    x = 16,995.70

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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.