Home / 26,368.19-36,387.89-14,431.50

Finding the Fourth Proportional to 26,368.19, 36,387.89 and 14,431.50

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Solution

The fourth proportional to 26,368.19, 36,387.89 and 14,431.50 is: 19,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.19 : 36,387.89 = 14,431.50 : x
  2. Step 2: Convert to fraction form
    26,368.19/36,387.89 = 14,431.50/x
  3. Step 3: Cross multiply
    26,368.19x = 36,387.89 × 14,431.50
  4. Step 4: Simplify right side
    26,368.19x = 525,131,580.44
  5. Step 5: Solve for x
    x = 525,131,580.44/26,368.19
  6. Step 6: Final answer
    x = 19,915.34

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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.