Home / 35,690.10-53,529.35-13,498.20

Finding the Fourth Proportional to 35,690.10, 53,529.35 and 13,498.20

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Solution

The fourth proportional to 35,690.10, 53,529.35 and 13,498.20 is: 20,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.10 : 53,529.35 = 13,498.20 : x
  2. Step 2: Convert to fraction form
    35,690.10/53,529.35 = 13,498.20/x
  3. Step 3: Cross multiply
    35,690.10x = 53,529.35 × 13,498.20
  4. Step 4: Simplify right side
    35,690.10x = 722,549,804.68
  5. Step 5: Solve for x
    x = 722,549,804.68/35,690.10
  6. Step 6: Final answer
    x = 20,245.10

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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.