Home / 28,483.47-42,752.01-14,453.57

Finding the Fourth Proportional to 28,483.47, 42,752.01 and 14,453.57

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Solution

The fourth proportional to 28,483.47, 42,752.01 and 14,453.57 is: 21,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.47 : 42,752.01 = 14,453.57 : x
  2. Step 2: Convert to fraction form
    28,483.47/42,752.01 = 14,453.57/x
  3. Step 3: Cross multiply
    28,483.47x = 42,752.01 × 14,453.57
  4. Step 4: Simplify right side
    28,483.47x = 617,919,009.62
  5. Step 5: Solve for x
    x = 617,919,009.62/28,483.47
  6. Step 6: Final answer
    x = 21,693.95

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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.