Home / 13,752.99-20,632.52-4,988.59

Finding the Fourth Proportional to 13,752.99, 20,632.52 and 4,988.59

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Solution

The fourth proportional to 13,752.99, 20,632.52 and 4,988.59 is: 7,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.99 : 20,632.52 = 4,988.59 : x
  2. Step 2: Convert to fraction form
    13,752.99/20,632.52 = 4,988.59/x
  3. Step 3: Cross multiply
    13,752.99x = 20,632.52 × 4,988.59
  4. Step 4: Simplify right side
    13,752.99x = 102,927,143.84
  5. Step 5: Solve for x
    x = 102,927,143.84/13,752.99
  6. Step 6: Final answer
    x = 7,483.98

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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.