Home / 31,509.42-47,255.88-14,865.06

Finding the Fourth Proportional to 31,509.42, 47,255.88 and 14,865.06

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Solution

The fourth proportional to 31,509.42, 47,255.88 and 14,865.06 is: 22,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,509.42 : 47,255.88 = 14,865.06 : x
  2. Step 2: Convert to fraction form
    31,509.42/47,255.88 = 14,865.06/x
  3. Step 3: Cross multiply
    31,509.42x = 47,255.88 × 14,865.06
  4. Step 4: Simplify right side
    31,509.42x = 702,461,491.55
  5. Step 5: Solve for x
    x = 702,461,491.55/31,509.42
  6. Step 6: Final answer
    x = 22,293.70

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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.