Home / 19,443.08-29,199.74-17,880.20

Finding the Fourth Proportional to 19,443.08, 29,199.74 and 17,880.20

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Solution

The fourth proportional to 19,443.08, 29,199.74 and 17,880.20 is: 26,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.08 : 29,199.74 = 17,880.20 : x
  2. Step 2: Convert to fraction form
    19,443.08/29,199.74 = 17,880.20/x
  3. Step 3: Cross multiply
    19,443.08x = 29,199.74 × 17,880.20
  4. Step 4: Simplify right side
    19,443.08x = 522,097,045.15
  5. Step 5: Solve for x
    x = 522,097,045.15/19,443.08
  6. Step 6: Final answer
    x = 26,852.60

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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.