Home / 53,055.02-79,582.55-13,612.13

Finding the Fourth Proportional to 53,055.02, 79,582.55 and 13,612.13

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Solution

The fourth proportional to 53,055.02, 79,582.55 and 13,612.13 is: 20,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,055.02 : 79,582.55 = 13,612.13 : x
  2. Step 2: Convert to fraction form
    53,055.02/79,582.55 = 13,612.13/x
  3. Step 3: Cross multiply
    53,055.02x = 79,582.55 × 13,612.13
  4. Step 4: Simplify right side
    53,055.02x = 1,083,288,016.33
  5. Step 5: Solve for x
    x = 1,083,288,016.33/53,055.02
  6. Step 6: Final answer
    x = 20,418.20

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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.