Home / 13,116.42-19,652.76-10,783.62

Finding the Fourth Proportional to 13,116.42, 19,652.76 and 10,783.62

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Solution

The fourth proportional to 13,116.42, 19,652.76 and 10,783.62 is: 16,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.42 : 19,652.76 = 10,783.62 : x
  2. Step 2: Convert to fraction form
    13,116.42/19,652.76 = 10,783.62/x
  3. Step 3: Cross multiply
    13,116.42x = 19,652.76 × 10,783.62
  4. Step 4: Simplify right side
    13,116.42x = 211,927,895.79
  5. Step 5: Solve for x
    x = 211,927,895.79/13,116.42
  6. Step 6: Final answer
    x = 16,157.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.