Home / 19,485.06-26,871.44-12,302.50

Finding the Fourth Proportional to 19,485.06, 26,871.44 and 12,302.50

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Solution

The fourth proportional to 19,485.06, 26,871.44 and 12,302.50 is: 16,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.06 : 26,871.44 = 12,302.50 : x
  2. Step 2: Convert to fraction form
    19,485.06/26,871.44 = 12,302.50/x
  3. Step 3: Cross multiply
    19,485.06x = 26,871.44 × 12,302.50
  4. Step 4: Simplify right side
    19,485.06x = 330,585,761.91
  5. Step 5: Solve for x
    x = 330,585,761.91/19,485.06
  6. Step 6: Final answer
    x = 16,966.11

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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.