Home / 13,015.02-19,523.84-3,655.06

Finding the Fourth Proportional to 13,015.02, 19,523.84 and 3,655.06

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Solution

The fourth proportional to 13,015.02, 19,523.84 and 3,655.06 is: 5,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.02 : 19,523.84 = 3,655.06 : x
  2. Step 2: Convert to fraction form
    13,015.02/19,523.84 = 3,655.06/x
  3. Step 3: Cross multiply
    13,015.02x = 19,523.84 × 3,655.06
  4. Step 4: Simplify right side
    13,015.02x = 71,360,806.63
  5. Step 5: Solve for x
    x = 71,360,806.63/13,015.02
  6. Step 6: Final answer
    x = 5,482.96

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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.