Home / 13,533.10-20,299.65-6,135.46

Finding the Fourth Proportional to 13,533.10, 20,299.65 and 6,135.46

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Solution

The fourth proportional to 13,533.10, 20,299.65 and 6,135.46 is: 9,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.10 : 20,299.65 = 6,135.46 : x
  2. Step 2: Convert to fraction form
    13,533.10/20,299.65 = 6,135.46/x
  3. Step 3: Cross multiply
    13,533.10x = 20,299.65 × 6,135.46
  4. Step 4: Simplify right side
    13,533.10x = 124,547,690.59
  5. Step 5: Solve for x
    x = 124,547,690.59/13,533.10
  6. Step 6: Final answer
    x = 9,203.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.