Home / 27,555.50-38,026.86-14,980.52

Finding the Fourth Proportional to 27,555.50, 38,026.86 and 14,980.52

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Solution

The fourth proportional to 27,555.50, 38,026.86 and 14,980.52 is: 20,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.50 : 38,026.86 = 14,980.52 : x
  2. Step 2: Convert to fraction form
    27,555.50/38,026.86 = 14,980.52/x
  3. Step 3: Cross multiply
    27,555.50x = 38,026.86 × 14,980.52
  4. Step 4: Simplify right side
    27,555.50x = 569,662,136.77
  5. Step 5: Solve for x
    x = 569,662,136.77/27,555.50
  6. Step 6: Final answer
    x = 20,673.26

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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.