Home / 18,036.69-24,888.85-10,078.74

Finding the Fourth Proportional to 18,036.69, 24,888.85 and 10,078.74

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Solution

The fourth proportional to 18,036.69, 24,888.85 and 10,078.74 is: 13,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.69 : 24,888.85 = 10,078.74 : x
  2. Step 2: Convert to fraction form
    18,036.69/24,888.85 = 10,078.74/x
  3. Step 3: Cross multiply
    18,036.69x = 24,888.85 × 10,078.74
  4. Step 4: Simplify right side
    18,036.69x = 250,848,248.05
  5. Step 5: Solve for x
    x = 250,848,248.05/18,036.69
  6. Step 6: Final answer
    x = 13,907.67

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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.