Home / 19,043.64-26,299.02-15,697.50

Finding the Fourth Proportional to 19,043.64, 26,299.02 and 15,697.50

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Solution

The fourth proportional to 19,043.64, 26,299.02 and 15,697.50 is: 21,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.64 : 26,299.02 = 15,697.50 : x
  2. Step 2: Convert to fraction form
    19,043.64/26,299.02 = 15,697.50/x
  3. Step 3: Cross multiply
    19,043.64x = 26,299.02 × 15,697.50
  4. Step 4: Simplify right side
    19,043.64x = 412,828,866.45
  5. Step 5: Solve for x
    x = 412,828,866.45/19,043.64
  6. Step 6: Final answer
    x = 21,678.04

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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.