Home / 14,070.24-19,416.60-7,782.48

Finding the Fourth Proportional to 14,070.24, 19,416.60 and 7,782.48

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Solution

The fourth proportional to 14,070.24, 19,416.60 and 7,782.48 is: 10,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.24 : 19,416.60 = 7,782.48 : x
  2. Step 2: Convert to fraction form
    14,070.24/19,416.60 = 7,782.48/x
  3. Step 3: Cross multiply
    14,070.24x = 19,416.60 × 7,782.48
  4. Step 4: Simplify right side
    14,070.24x = 151,109,301.17
  5. Step 5: Solve for x
    x = 151,109,301.17/14,070.24
  6. Step 6: Final answer
    x = 10,739.64

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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.