Home / 26,284.78-36,269.80-14,955.72

Finding the Fourth Proportional to 26,284.78, 36,269.80 and 14,955.72

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Solution

The fourth proportional to 26,284.78, 36,269.80 and 14,955.72 is: 20,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,284.78 : 36,269.80 = 14,955.72 : x
  2. Step 2: Convert to fraction form
    26,284.78/36,269.80 = 14,955.72/x
  3. Step 3: Cross multiply
    26,284.78x = 36,269.80 × 14,955.72
  4. Step 4: Simplify right side
    26,284.78x = 542,440,973.26
  5. Step 5: Solve for x
    x = 542,440,973.26/26,284.78
  6. Step 6: Final answer
    x = 20,637.07

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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.