Home / 18,164.59-25,075.64-12,124.91

Finding the Fourth Proportional to 18,164.59, 25,075.64 and 12,124.91

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Solution

The fourth proportional to 18,164.59, 25,075.64 and 12,124.91 is: 16,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.59 : 25,075.64 = 12,124.91 : x
  2. Step 2: Convert to fraction form
    18,164.59/25,075.64 = 12,124.91/x
  3. Step 3: Cross multiply
    18,164.59x = 25,075.64 × 12,124.91
  4. Step 4: Simplify right side
    18,164.59x = 304,039,971.19
  5. Step 5: Solve for x
    x = 304,039,971.19/18,164.59
  6. Step 6: Final answer
    x = 16,738.06

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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.