Home / 16,211.49-22,390.31-10,897.08

Finding the Fourth Proportional to 16,211.49, 22,390.31 and 10,897.08

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Solution

The fourth proportional to 16,211.49, 22,390.31 and 10,897.08 is: 15,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.49 : 22,390.31 = 10,897.08 : x
  2. Step 2: Convert to fraction form
    16,211.49/22,390.31 = 10,897.08/x
  3. Step 3: Cross multiply
    16,211.49x = 22,390.31 × 10,897.08
  4. Step 4: Simplify right side
    16,211.49x = 243,988,944.81
  5. Step 5: Solve for x
    x = 243,988,944.81/16,211.49
  6. Step 6: Final answer
    x = 15,050.37

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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.