Home / 18,544.84-25,603.56-12,877.77

Finding the Fourth Proportional to 18,544.84, 25,603.56 and 12,877.77

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Solution

The fourth proportional to 18,544.84, 25,603.56 and 12,877.77 is: 17,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544.84 : 25,603.56 = 12,877.77 : x
  2. Step 2: Convert to fraction form
    18,544.84/25,603.56 = 12,877.77/x
  3. Step 3: Cross multiply
    18,544.84x = 25,603.56 × 12,877.77
  4. Step 4: Simplify right side
    18,544.84x = 329,716,756.86
  5. Step 5: Solve for x
    x = 329,716,756.86/18,544.84
  6. Step 6: Final answer
    x = 17,779.43

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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.