Home / 18,733.14-28,081.95-6,412.50

Finding the Fourth Proportional to 18,733.14, 28,081.95 and 6,412.50

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Solution

The fourth proportional to 18,733.14, 28,081.95 and 6,412.50 is: 9,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.14 : 28,081.95 = 6,412.50 : x
  2. Step 2: Convert to fraction form
    18,733.14/28,081.95 = 6,412.50/x
  3. Step 3: Cross multiply
    18,733.14x = 28,081.95 × 6,412.50
  4. Step 4: Simplify right side
    18,733.14x = 180,075,504.38
  5. Step 5: Solve for x
    x = 180,075,504.38/18,733.14
  6. Step 6: Final answer
    x = 9,612.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.