Home / 14,068.60-19,410.78-9,815.08

Finding the Fourth Proportional to 14,068.60, 19,410.78 and 9,815.08

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Solution

The fourth proportional to 14,068.60, 19,410.78 and 9,815.08 is: 13,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.60 : 19,410.78 = 9,815.08 : x
  2. Step 2: Convert to fraction form
    14,068.60/19,410.78 = 9,815.08/x
  3. Step 3: Cross multiply
    14,068.60x = 19,410.78 × 9,815.08
  4. Step 4: Simplify right side
    14,068.60x = 190,518,358.56
  5. Step 5: Solve for x
    x = 190,518,358.56/14,068.60
  6. Step 6: Final answer
    x = 13,542.10

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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.