Home / 23,184.96-31,995.04-12,574.40

Finding the Fourth Proportional to 23,184.96, 31,995.04 and 12,574.40

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Solution

The fourth proportional to 23,184.96, 31,995.04 and 12,574.40 is: 17,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.96 : 31,995.04 = 12,574.40 : x
  2. Step 2: Convert to fraction form
    23,184.96/31,995.04 = 12,574.40/x
  3. Step 3: Cross multiply
    23,184.96x = 31,995.04 × 12,574.40
  4. Step 4: Simplify right side
    23,184.96x = 402,318,430.98
  5. Step 5: Solve for x
    x = 402,318,430.98/23,184.96
  6. Step 6: Final answer
    x = 17,352.56

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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.