Home / 23,130.54-34,681.23-12,749.58

Finding the Fourth Proportional to 23,130.54, 34,681.23 and 12,749.58

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Solution

The fourth proportional to 23,130.54, 34,681.23 and 12,749.58 is: 19,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.54 : 34,681.23 = 12,749.58 : x
  2. Step 2: Convert to fraction form
    23,130.54/34,681.23 = 12,749.58/x
  3. Step 3: Cross multiply
    23,130.54x = 34,681.23 × 12,749.58
  4. Step 4: Simplify right side
    23,130.54x = 442,171,116.38
  5. Step 5: Solve for x
    x = 442,171,116.38/23,130.54
  6. Step 6: Final answer
    x = 19,116.33

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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.