Home / 16,715.52-23,068.08-9,642.60

Finding the Fourth Proportional to 16,715.52, 23,068.08 and 9,642.60

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Solution

The fourth proportional to 16,715.52, 23,068.08 and 9,642.60 is: 13,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.52 : 23,068.08 = 9,642.60 : x
  2. Step 2: Convert to fraction form
    16,715.52/23,068.08 = 9,642.60/x
  3. Step 3: Cross multiply
    16,715.52x = 23,068.08 × 9,642.60
  4. Step 4: Simplify right side
    16,715.52x = 222,436,268.21
  5. Step 5: Solve for x
    x = 222,436,268.21/16,715.52
  6. Step 6: Final answer
    x = 13,307.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.