Home / 26,437.10-39,646.43-10,638.05

Finding the Fourth Proportional to 26,437.10, 39,646.43 and 10,638.05

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Solution

The fourth proportional to 26,437.10, 39,646.43 and 10,638.05 is: 15,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,437.10 : 39,646.43 = 10,638.05 : x
  2. Step 2: Convert to fraction form
    26,437.10/39,646.43 = 10,638.05/x
  3. Step 3: Cross multiply
    26,437.10x = 39,646.43 × 10,638.05
  4. Step 4: Simplify right side
    26,437.10x = 421,760,533.02
  5. Step 5: Solve for x
    x = 421,760,533.02/26,437.10
  6. Step 6: Final answer
    x = 15,953.36

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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.