Home / 16,259.89-22,430.40-10,281.49

Finding the Fourth Proportional to 16,259.89, 22,430.40 and 10,281.49

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Solution

The fourth proportional to 16,259.89, 22,430.40 and 10,281.49 is: 14,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.89 : 22,430.40 = 10,281.49 : x
  2. Step 2: Convert to fraction form
    16,259.89/22,430.40 = 10,281.49/x
  3. Step 3: Cross multiply
    16,259.89x = 22,430.40 × 10,281.49
  4. Step 4: Simplify right side
    16,259.89x = 230,617,933.30
  5. Step 5: Solve for x
    x = 230,617,933.30/16,259.89
  6. Step 6: Final answer
    x = 14,183.24

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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.