Home / 26,500.64-36,554.10-19,779.08

Finding the Fourth Proportional to 26,500.64, 36,554.10 and 19,779.08

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Solution

The fourth proportional to 26,500.64, 36,554.10 and 19,779.08 is: 27,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.64 : 36,554.10 = 19,779.08 : x
  2. Step 2: Convert to fraction form
    26,500.64/36,554.10 = 19,779.08/x
  3. Step 3: Cross multiply
    26,500.64x = 36,554.10 × 19,779.08
  4. Step 4: Simplify right side
    26,500.64x = 723,006,468.23
  5. Step 5: Solve for x
    x = 723,006,468.23/26,500.64
  6. Step 6: Final answer
    x = 27,282.60

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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.