Home / 13,820.95-19,071.97-7,533.19

Finding the Fourth Proportional to 13,820.95, 19,071.97 and 7,533.19

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Solution

The fourth proportional to 13,820.95, 19,071.97 and 7,533.19 is: 10,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.95 : 19,071.97 = 7,533.19 : x
  2. Step 2: Convert to fraction form
    13,820.95/19,071.97 = 7,533.19/x
  3. Step 3: Cross multiply
    13,820.95x = 19,071.97 × 7,533.19
  4. Step 4: Simplify right side
    13,820.95x = 143,672,773.68
  5. Step 5: Solve for x
    x = 143,672,773.68/13,820.95
  6. Step 6: Final answer
    x = 10,395.29

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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.