Home / 13,328.66-19,990.53-4,893.32

Finding the Fourth Proportional to 13,328.66, 19,990.53 and 4,893.32

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Solution

The fourth proportional to 13,328.66, 19,990.53 and 4,893.32 is: 7,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.66 : 19,990.53 = 4,893.32 : x
  2. Step 2: Convert to fraction form
    13,328.66/19,990.53 = 4,893.32/x
  3. Step 3: Cross multiply
    13,328.66x = 19,990.53 × 4,893.32
  4. Step 4: Simplify right side
    13,328.66x = 97,820,110.24
  5. Step 5: Solve for x
    x = 97,820,110.24/13,328.66
  6. Step 6: Final answer
    x = 7,339.08

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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.