Home / 19,788.25-27,307.89-14,756.94

Finding the Fourth Proportional to 19,788.25, 27,307.89 and 14,756.94

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Solution

The fourth proportional to 19,788.25, 27,307.89 and 14,756.94 is: 20,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.25 : 27,307.89 = 14,756.94 : x
  2. Step 2: Convert to fraction form
    19,788.25/27,307.89 = 14,756.94/x
  3. Step 3: Cross multiply
    19,788.25x = 27,307.89 × 14,756.94
  4. Step 4: Simplify right side
    19,788.25x = 402,980,894.26
  5. Step 5: Solve for x
    x = 402,980,894.26/19,788.25
  6. Step 6: Final answer
    x = 20,364.66

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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.