Home / 36,875.64-55,296.18-13,485.72

Finding the Fourth Proportional to 36,875.64, 55,296.18 and 13,485.72

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Solution

The fourth proportional to 36,875.64, 55,296.18 and 13,485.72 is: 20,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,875.64 : 55,296.18 = 13,485.72 : x
  2. Step 2: Convert to fraction form
    36,875.64/55,296.18 = 13,485.72/x
  3. Step 3: Cross multiply
    36,875.64x = 55,296.18 × 13,485.72
  4. Step 4: Simplify right side
    36,875.64x = 745,708,800.55
  5. Step 5: Solve for x
    x = 745,708,800.55/36,875.64
  6. Step 6: Final answer
    x = 20,222.26

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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.