Home / 13,444.68-18,551.62-7,476.40

Finding the Fourth Proportional to 13,444.68, 18,551.62 and 7,476.40

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Solution

The fourth proportional to 13,444.68, 18,551.62 and 7,476.40 is: 10,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.68 : 18,551.62 = 7,476.40 : x
  2. Step 2: Convert to fraction form
    13,444.68/18,551.62 = 7,476.40/x
  3. Step 3: Cross multiply
    13,444.68x = 18,551.62 × 7,476.40
  4. Step 4: Simplify right side
    13,444.68x = 138,699,331.77
  5. Step 5: Solve for x
    x = 138,699,331.77/13,444.68
  6. Step 6: Final answer
    x = 10,316.30

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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.