Home / 23,043.90-31,802.18-12,973.17

Finding the Fourth Proportional to 23,043.90, 31,802.18 and 12,973.17

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Solution

The fourth proportional to 23,043.90, 31,802.18 and 12,973.17 is: 17,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.90 : 31,802.18 = 12,973.17 : x
  2. Step 2: Convert to fraction form
    23,043.90/31,802.18 = 12,973.17/x
  3. Step 3: Cross multiply
    23,043.90x = 31,802.18 × 12,973.17
  4. Step 4: Simplify right side
    23,043.90x = 412,575,087.51
  5. Step 5: Solve for x
    x = 412,575,087.51/23,043.90
  6. Step 6: Final answer
    x = 17,903.87

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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.