Home / 13,533.10-18,674.92-7,482.99

Finding the Fourth Proportional to 13,533.10, 18,674.92 and 7,482.99

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Solution

The fourth proportional to 13,533.10, 18,674.92 and 7,482.99 is: 10,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.10 : 18,674.92 = 7,482.99 : x
  2. Step 2: Convert to fraction form
    13,533.10/18,674.92 = 7,482.99/x
  3. Step 3: Cross multiply
    13,533.10x = 18,674.92 × 7,482.99
  4. Step 4: Simplify right side
    13,533.10x = 139,744,220.90
  5. Step 5: Solve for x
    x = 139,744,220.90/13,533.10
  6. Step 6: Final answer
    x = 10,326.11

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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.