Home / 26,829.76-40,210.56-12,038.08

Finding the Fourth Proportional to 26,829.76, 40,210.56 and 12,038.08

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Solution

The fourth proportional to 26,829.76, 40,210.56 and 12,038.08 is: 18,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.76 : 40,210.56 = 12,038.08 : x
  2. Step 2: Convert to fraction form
    26,829.76/40,210.56 = 12,038.08/x
  3. Step 3: Cross multiply
    26,829.76x = 40,210.56 × 12,038.08
  4. Step 4: Simplify right side
    26,829.76x = 484,057,938.12
  5. Step 5: Solve for x
    x = 484,057,938.12/26,829.76
  6. Step 6: Final answer
    x = 18,041.83

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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.