Home / 15,947.94-21,985.08-10,561.35

Finding the Fourth Proportional to 15,947.94, 21,985.08 and 10,561.35

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Solution

The fourth proportional to 15,947.94, 21,985.08 and 10,561.35 is: 14,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.94 : 21,985.08 = 10,561.35 : x
  2. Step 2: Convert to fraction form
    15,947.94/21,985.08 = 10,561.35/x
  3. Step 3: Cross multiply
    15,947.94x = 21,985.08 × 10,561.35
  4. Step 4: Simplify right side
    15,947.94x = 232,192,124.66
  5. Step 5: Solve for x
    x = 232,192,124.66/15,947.94
  6. Step 6: Final answer
    x = 14,559.38

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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.