Home / 26,483.81-36,543.69-15,151.50

Finding the Fourth Proportional to 26,483.81, 36,543.69 and 15,151.50

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Solution

The fourth proportional to 26,483.81, 36,543.69 and 15,151.50 is: 20,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.81 : 36,543.69 = 15,151.50 : x
  2. Step 2: Convert to fraction form
    26,483.81/36,543.69 = 15,151.50/x
  3. Step 3: Cross multiply
    26,483.81x = 36,543.69 × 15,151.50
  4. Step 4: Simplify right side
    26,483.81x = 553,691,719.04
  5. Step 5: Solve for x
    x = 553,691,719.04/26,483.81
  6. Step 6: Final answer
    x = 20,906.80

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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.