Home / 13,973.04-20,951.52-8,356.32

Finding the Fourth Proportional to 13,973.04, 20,951.52 and 8,356.32

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Solution

The fourth proportional to 13,973.04, 20,951.52 and 8,356.32 is: 12,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.04 : 20,951.52 = 8,356.32 : x
  2. Step 2: Convert to fraction form
    13,973.04/20,951.52 = 8,356.32/x
  3. Step 3: Cross multiply
    13,973.04x = 20,951.52 × 8,356.32
  4. Step 4: Simplify right side
    13,973.04x = 175,077,605.61
  5. Step 5: Solve for x
    x = 175,077,605.61/13,973.04
  6. Step 6: Final answer
    x = 12,529.67

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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.