Home / 35,508.60-53,242.65-13,322.70

Finding the Fourth Proportional to 35,508.60, 53,242.65 and 13,322.70

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Solution

The fourth proportional to 35,508.60, 53,242.65 and 13,322.70 is: 19,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.60 : 53,242.65 = 13,322.70 : x
  2. Step 2: Convert to fraction form
    35,508.60/53,242.65 = 13,322.70/x
  3. Step 3: Cross multiply
    35,508.60x = 53,242.65 × 13,322.70
  4. Step 4: Simplify right side
    35,508.60x = 709,335,853.16
  5. Step 5: Solve for x
    x = 709,335,853.16/35,508.60
  6. Step 6: Final answer
    x = 19,976.45

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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.