Home / 14,740.28-20,341.46-8,025.90

Finding the Fourth Proportional to 14,740.28, 20,341.46 and 8,025.90

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Solution

The fourth proportional to 14,740.28, 20,341.46 and 8,025.90 is: 11,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.28 : 20,341.46 = 8,025.90 : x
  2. Step 2: Convert to fraction form
    14,740.28/20,341.46 = 8,025.90/x
  3. Step 3: Cross multiply
    14,740.28x = 20,341.46 × 8,025.90
  4. Step 4: Simplify right side
    14,740.28x = 163,258,523.81
  5. Step 5: Solve for x
    x = 163,258,523.81/14,740.28
  6. Step 6: Final answer
    x = 11,075.67

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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.