Home / 13,176.60-19,768.08-4,411.56

Finding the Fourth Proportional to 13,176.60, 19,768.08 and 4,411.56

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Solution

The fourth proportional to 13,176.60, 19,768.08 and 4,411.56 is: 6,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.60 : 19,768.08 = 4,411.56 : x
  2. Step 2: Convert to fraction form
    13,176.60/19,768.08 = 4,411.56/x
  3. Step 3: Cross multiply
    13,176.60x = 19,768.08 × 4,411.56
  4. Step 4: Simplify right side
    13,176.60x = 87,208,071.00
  5. Step 5: Solve for x
    x = 87,208,071.00/13,176.60
  6. Step 6: Final answer
    x = 6,618.40

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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.