Home / 13,925.84-20,900.52-7,348.64

Finding the Fourth Proportional to 13,925.84, 20,900.52 and 7,348.64

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Solution

The fourth proportional to 13,925.84, 20,900.52 and 7,348.64 is: 11,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.84 : 20,900.52 = 7,348.64 : x
  2. Step 2: Convert to fraction form
    13,925.84/20,900.52 = 7,348.64/x
  3. Step 3: Cross multiply
    13,925.84x = 20,900.52 × 7,348.64
  4. Step 4: Simplify right side
    13,925.84x = 153,590,397.29
  5. Step 5: Solve for x
    x = 153,590,397.29/13,925.84
  6. Step 6: Final answer
    x = 11,029.17

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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.