Home / 19,657.55-29,485.95-4,866.47

Finding the Fourth Proportional to 19,657.55, 29,485.95 and 4,866.47

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Solution

The fourth proportional to 19,657.55, 29,485.95 and 4,866.47 is: 7,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.55 : 29,485.95 = 4,866.47 : x
  2. Step 2: Convert to fraction form
    19,657.55/29,485.95 = 4,866.47/x
  3. Step 3: Cross multiply
    19,657.55x = 29,485.95 × 4,866.47
  4. Step 4: Simplify right side
    19,657.55x = 143,492,343.67
  5. Step 5: Solve for x
    x = 143,492,343.67/19,657.55
  6. Step 6: Final answer
    x = 7,299.61

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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.