Home / 13,816.65-19,066.39-7,848.30

Finding the Fourth Proportional to 13,816.65, 19,066.39 and 7,848.30

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Solution

The fourth proportional to 13,816.65, 19,066.39 and 7,848.30 is: 10,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.65 : 19,066.39 = 7,848.30 : x
  2. Step 2: Convert to fraction form
    13,816.65/19,066.39 = 7,848.30/x
  3. Step 3: Cross multiply
    13,816.65x = 19,066.39 × 7,848.30
  4. Step 4: Simplify right side
    13,816.65x = 149,638,748.64
  5. Step 5: Solve for x
    x = 149,638,748.64/13,816.65
  6. Step 6: Final answer
    x = 10,830.32

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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.