Home / 14,070.48-19,418.16-9,351.60

Finding the Fourth Proportional to 14,070.48, 19,418.16 and 9,351.60

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Solution

The fourth proportional to 14,070.48, 19,418.16 and 9,351.60 is: 12,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.48 : 19,418.16 = 9,351.60 : x
  2. Step 2: Convert to fraction form
    14,070.48/19,418.16 = 9,351.60/x
  3. Step 3: Cross multiply
    14,070.48x = 19,418.16 × 9,351.60
  4. Step 4: Simplify right side
    14,070.48x = 181,590,865.06
  5. Step 5: Solve for x
    x = 181,590,865.06/14,070.48
  6. Step 6: Final answer
    x = 12,905.80

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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.