Home / 14,095.40-19,451.39-7,807.64

Finding the Fourth Proportional to 14,095.40, 19,451.39 and 7,807.64

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Solution

The fourth proportional to 14,095.40, 19,451.39 and 7,807.64 is: 10,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.40 : 19,451.39 = 7,807.64 : x
  2. Step 2: Convert to fraction form
    14,095.40/19,451.39 = 7,807.64/x
  3. Step 3: Cross multiply
    14,095.40x = 19,451.39 × 7,807.64
  4. Step 4: Simplify right side
    14,095.40x = 151,869,314.32
  5. Step 5: Solve for x
    x = 151,869,314.32/14,095.40
  6. Step 6: Final answer
    x = 10,774.39

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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.