Home / 27,312.57-40,973.45-13,297.55

Finding the Fourth Proportional to 27,312.57, 40,973.45 and 13,297.55

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Solution

The fourth proportional to 27,312.57, 40,973.45 and 13,297.55 is: 19,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.57 : 40,973.45 = 13,297.55 : x
  2. Step 2: Convert to fraction form
    27,312.57/40,973.45 = 13,297.55/x
  3. Step 3: Cross multiply
    27,312.57x = 40,973.45 × 13,297.55
  4. Step 4: Simplify right side
    27,312.57x = 544,846,228.69
  5. Step 5: Solve for x
    x = 544,846,228.69/27,312.57
  6. Step 6: Final answer
    x = 19,948.55

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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.