Home / 13,054.08-19,584-3,820.16

Finding the Fourth Proportional to 13,054.08, 19,584 and 3,820.16

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Solution

The fourth proportional to 13,054.08, 19,584 and 3,820.16 is: 5,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.08 : 19,584 = 3,820.16 : x
  2. Step 2: Convert to fraction form
    13,054.08/19,584 = 3,820.16/x
  3. Step 3: Cross multiply
    13,054.08x = 19,584 × 3,820.16
  4. Step 4: Simplify right side
    13,054.08x = 74,814,013.44
  5. Step 5: Solve for x
    x = 74,814,013.44/13,054.08
  6. Step 6: Final answer
    x = 5,731.08

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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.