Home / 13,788.59-20,526.93-13,706.58

Finding the Fourth Proportional to 13,788.59, 20,526.93 and 13,706.58

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Solution

The fourth proportional to 13,788.59, 20,526.93 and 13,706.58 is: 20,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.59 : 20,526.93 = 13,706.58 : x
  2. Step 2: Convert to fraction form
    13,788.59/20,526.93 = 13,706.58/x
  3. Step 3: Cross multiply
    13,788.59x = 20,526.93 × 13,706.58
  4. Step 4: Simplify right side
    13,788.59x = 281,354,008.20
  5. Step 5: Solve for x
    x = 281,354,008.20/13,788.59
  6. Step 6: Final answer
    x = 20,404.84

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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.