Home / 16,966.16-25,445.14-7,112.81

Finding the Fourth Proportional to 16,966.16, 25,445.14 and 7,112.81

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Solution

The fourth proportional to 16,966.16, 25,445.14 and 7,112.81 is: 10,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.16 : 25,445.14 = 7,112.81 : x
  2. Step 2: Convert to fraction form
    16,966.16/25,445.14 = 7,112.81/x
  3. Step 3: Cross multiply
    16,966.16x = 25,445.14 × 7,112.81
  4. Step 4: Simplify right side
    16,966.16x = 180,986,492.07
  5. Step 5: Solve for x
    x = 180,986,492.07/16,966.16
  6. Step 6: Final answer
    x = 10,667.50

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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.