Home / 14,070.33-19,420.47-8,771.31

Finding the Fourth Proportional to 14,070.33, 19,420.47 and 8,771.31

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Solution

The fourth proportional to 14,070.33, 19,420.47 and 8,771.31 is: 12,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.33 : 19,420.47 = 8,771.31 : x
  2. Step 2: Convert to fraction form
    14,070.33/19,420.47 = 8,771.31/x
  3. Step 3: Cross multiply
    14,070.33x = 19,420.47 × 8,771.31
  4. Step 4: Simplify right side
    14,070.33x = 170,342,962.72
  5. Step 5: Solve for x
    x = 170,342,962.72/14,070.33
  6. Step 6: Final answer
    x = 12,106.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.