Home / 15,666.41-21,603.71-10,362.94

Finding the Fourth Proportional to 15,666.41, 21,603.71 and 10,362.94

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Solution

The fourth proportional to 15,666.41, 21,603.71 and 10,362.94 is: 14,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.41 : 21,603.71 = 10,362.94 : x
  2. Step 2: Convert to fraction form
    15,666.41/21,603.71 = 10,362.94/x
  3. Step 3: Cross multiply
    15,666.41x = 21,603.71 × 10,362.94
  4. Step 4: Simplify right side
    15,666.41x = 223,877,922.41
  5. Step 5: Solve for x
    x = 223,877,922.41/15,666.41
  6. Step 6: Final answer
    x = 14,290.31

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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.