Home / 47,007.84-70,518.36-13,730.34

Finding the Fourth Proportional to 47,007.84, 70,518.36 and 13,730.34

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Solution

The fourth proportional to 47,007.84, 70,518.36 and 13,730.34 is: 20,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,007.84 : 70,518.36 = 13,730.34 : x
  2. Step 2: Convert to fraction form
    47,007.84/70,518.36 = 13,730.34/x
  3. Step 3: Cross multiply
    47,007.84x = 70,518.36 × 13,730.34
  4. Step 4: Simplify right side
    47,007.84x = 968,241,059.04
  5. Step 5: Solve for x
    x = 968,241,059.04/47,007.84
  6. Step 6: Final answer
    x = 20,597.44

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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.