Home / 13,971.08-19,275.39-9,487.05

Finding the Fourth Proportional to 13,971.08, 19,275.39 and 9,487.05

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Solution

The fourth proportional to 13,971.08, 19,275.39 and 9,487.05 is: 13,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.08 : 19,275.39 = 9,487.05 : x
  2. Step 2: Convert to fraction form
    13,971.08/19,275.39 = 9,487.05/x
  3. Step 3: Cross multiply
    13,971.08x = 19,275.39 × 9,487.05
  4. Step 4: Simplify right side
    13,971.08x = 182,866,597.31
  5. Step 5: Solve for x
    x = 182,866,597.31/13,971.08
  6. Step 6: Final answer
    x = 13,088.94

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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.