Home / 14,700.56-20,289.96-9,040.17

Finding the Fourth Proportional to 14,700.56, 20,289.96 and 9,040.17

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Solution

The fourth proportional to 14,700.56, 20,289.96 and 9,040.17 is: 12,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.56 : 20,289.96 = 9,040.17 : x
  2. Step 2: Convert to fraction form
    14,700.56/20,289.96 = 9,040.17/x
  3. Step 3: Cross multiply
    14,700.56x = 20,289.96 × 9,040.17
  4. Step 4: Simplify right side
    14,700.56x = 183,424,687.69
  5. Step 5: Solve for x
    x = 183,424,687.69/14,700.56
  6. Step 6: Final answer
    x = 12,477.40

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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.