Home / 15,567.66-21,487.97-10,853.46

Finding the Fourth Proportional to 15,567.66, 21,487.97 and 10,853.46

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Solution

The fourth proportional to 15,567.66, 21,487.97 and 10,853.46 is: 14,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.66 : 21,487.97 = 10,853.46 : x
  2. Step 2: Convert to fraction form
    15,567.66/21,487.97 = 10,853.46/x
  3. Step 3: Cross multiply
    15,567.66x = 21,487.97 × 10,853.46
  4. Step 4: Simplify right side
    15,567.66x = 233,218,768.61
  5. Step 5: Solve for x
    x = 233,218,768.61/15,567.66
  6. Step 6: Final answer
    x = 14,980.98

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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.