Home / 47,185.13-70,763.63-13,904.46

Finding the Fourth Proportional to 47,185.13, 70,763.63 and 13,904.46

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Solution

The fourth proportional to 47,185.13, 70,763.63 and 13,904.46 is: 20,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,185.13 : 70,763.63 = 13,904.46 : x
  2. Step 2: Convert to fraction form
    47,185.13/70,763.63 = 13,904.46/x
  3. Step 3: Cross multiply
    47,185.13x = 70,763.63 × 13,904.46
  4. Step 4: Simplify right side
    47,185.13x = 983,929,993.27
  5. Step 5: Solve for x
    x = 983,929,993.27/47,185.13
  6. Step 6: Final answer
    x = 20,852.54

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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.