Home / 26,411.35-36,438.59-15,654.05

Finding the Fourth Proportional to 26,411.35, 36,438.59 and 15,654.05

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Solution

The fourth proportional to 26,411.35, 36,438.59 and 15,654.05 is: 21,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.35 : 36,438.59 = 15,654.05 : x
  2. Step 2: Convert to fraction form
    26,411.35/36,438.59 = 15,654.05/x
  3. Step 3: Cross multiply
    26,411.35x = 36,438.59 × 15,654.05
  4. Step 4: Simplify right side
    26,411.35x = 570,411,509.79
  5. Step 5: Solve for x
    x = 570,411,509.79/26,411.35
  6. Step 6: Final answer
    x = 21,597.21

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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.