Home / 28,980.51-43,461.37-9,254.44

Finding the Fourth Proportional to 28,980.51, 43,461.37 and 9,254.44

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Solution

The fourth proportional to 28,980.51, 43,461.37 and 9,254.44 is: 13,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.51 : 43,461.37 = 9,254.44 : x
  2. Step 2: Convert to fraction form
    28,980.51/43,461.37 = 9,254.44/x
  3. Step 3: Cross multiply
    28,980.51x = 43,461.37 × 9,254.44
  4. Step 4: Simplify right side
    28,980.51x = 402,210,640.98
  5. Step 5: Solve for x
    x = 402,210,640.98/28,980.51
  6. Step 6: Final answer
    x = 13,878.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.