Home / 14,740.10-20,340.69-8,025.75

Finding the Fourth Proportional to 14,740.10, 20,340.69 and 8,025.75

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Solution

The fourth proportional to 14,740.10, 20,340.69 and 8,025.75 is: 11,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.10 : 20,340.69 = 8,025.75 : x
  2. Step 2: Convert to fraction form
    14,740.10/20,340.69 = 8,025.75/x
  3. Step 3: Cross multiply
    14,740.10x = 20,340.69 × 8,025.75
  4. Step 4: Simplify right side
    14,740.10x = 163,249,292.77
  5. Step 5: Solve for x
    x = 163,249,292.77/14,740.10
  6. Step 6: Final answer
    x = 11,075.19

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Half scale
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Double scale
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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.