Home / 14,431.34-21,618.95-9,485.95

Finding the Fourth Proportional to 14,431.34, 21,618.95 and 9,485.95

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Solution

The fourth proportional to 14,431.34, 21,618.95 and 9,485.95 is: 14,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.34 : 21,618.95 = 9,485.95 : x
  2. Step 2: Convert to fraction form
    14,431.34/21,618.95 = 9,485.95/x
  3. Step 3: Cross multiply
    14,431.34x = 21,618.95 × 9,485.95
  4. Step 4: Simplify right side
    14,431.34x = 205,076,123.23
  5. Step 5: Solve for x
    x = 205,076,123.23/14,431.34
  6. Step 6: Final answer
    x = 14,210.47

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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.