Home / 19,792.35-27,312.90-10,840.23

Finding the Fourth Proportional to 19,792.35, 27,312.90 and 10,840.23

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Solution

The fourth proportional to 19,792.35, 27,312.90 and 10,840.23 is: 14,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.35 : 27,312.90 = 10,840.23 : x
  2. Step 2: Convert to fraction form
    19,792.35/27,312.90 = 10,840.23/x
  3. Step 3: Cross multiply
    19,792.35x = 27,312.90 × 10,840.23
  4. Step 4: Simplify right side
    19,792.35x = 296,078,077.32
  5. Step 5: Solve for x
    x = 296,078,077.32/19,792.35
  6. Step 6: Final answer
    x = 14,959.22

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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.