Home / 13,735.68-20,488.04-12,474.35

Finding the Fourth Proportional to 13,735.68, 20,488.04 and 12,474.35

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Solution

The fourth proportional to 13,735.68, 20,488.04 and 12,474.35 is: 18,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.68 : 20,488.04 = 12,474.35 : x
  2. Step 2: Convert to fraction form
    13,735.68/20,488.04 = 12,474.35/x
  3. Step 3: Cross multiply
    13,735.68x = 20,488.04 × 12,474.35
  4. Step 4: Simplify right side
    13,735.68x = 255,574,981.77
  5. Step 5: Solve for x
    x = 255,574,981.77/13,735.68
  6. Step 6: Final answer
    x = 18,606.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.