Home / 16,966.02-25,430.40-7,111.56

Finding the Fourth Proportional to 16,966.02, 25,430.40 and 7,111.56

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Solution

The fourth proportional to 16,966.02, 25,430.40 and 7,111.56 is: 10,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.02 : 25,430.40 = 7,111.56 : x
  2. Step 2: Convert to fraction form
    16,966.02/25,430.40 = 7,111.56/x
  3. Step 3: Cross multiply
    16,966.02x = 25,430.40 × 7,111.56
  4. Step 4: Simplify right side
    16,966.02x = 180,849,815.42
  5. Step 5: Solve for x
    x = 180,849,815.42/16,966.02
  6. Step 6: Final answer
    x = 10,659.53

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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.