Home / 13,895.51-19,175.61-7,607.88

Finding the Fourth Proportional to 13,895.51, 19,175.61 and 7,607.88

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Solution

The fourth proportional to 13,895.51, 19,175.61 and 7,607.88 is: 10,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.51 : 19,175.61 = 7,607.88 : x
  2. Step 2: Convert to fraction form
    13,895.51/19,175.61 = 7,607.88/x
  3. Step 3: Cross multiply
    13,895.51x = 19,175.61 × 7,607.88
  4. Step 4: Simplify right side
    13,895.51x = 145,885,739.81
  5. Step 5: Solve for x
    x = 145,885,739.81/13,895.51
  6. Step 6: Final answer
    x = 10,498.77

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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.