Home / 19,788.99-27,307.53-10,836.60

Finding the Fourth Proportional to 19,788.99, 27,307.53 and 10,836.60

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Solution

The fourth proportional to 19,788.99, 27,307.53 and 10,836.60 is: 14,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.99 : 27,307.53 = 10,836.60 : x
  2. Step 2: Convert to fraction form
    19,788.99/27,307.53 = 10,836.60/x
  3. Step 3: Cross multiply
    19,788.99x = 27,307.53 × 10,836.60
  4. Step 4: Simplify right side
    19,788.99x = 295,920,779.60
  5. Step 5: Solve for x
    x = 295,920,779.60/19,788.99
  6. Step 6: Final answer
    x = 14,953.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.