Home / 14,070.72-19,416.48-8,771.52

Finding the Fourth Proportional to 14,070.72, 19,416.48 and 8,771.52

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Solution

The fourth proportional to 14,070.72, 19,416.48 and 8,771.52 is: 12,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.72 : 19,416.48 = 8,771.52 : x
  2. Step 2: Convert to fraction form
    14,070.72/19,416.48 = 8,771.52/x
  3. Step 3: Cross multiply
    14,070.72x = 19,416.48 × 8,771.52
  4. Step 4: Simplify right side
    14,070.72x = 170,312,042.65
  5. Step 5: Solve for x
    x = 170,312,042.65/14,070.72
  6. Step 6: Final answer
    x = 12,104.00

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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.