Home / 25,834.60-35,655.64-15,768.89

Finding the Fourth Proportional to 25,834.60, 35,655.64 and 15,768.89

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Solution

The fourth proportional to 25,834.60, 35,655.64 and 15,768.89 is: 21,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,834.60 : 35,655.64 = 15,768.89 : x
  2. Step 2: Convert to fraction form
    25,834.60/35,655.64 = 15,768.89/x
  3. Step 3: Cross multiply
    25,834.60x = 35,655.64 × 15,768.89
  4. Step 4: Simplify right side
    25,834.60x = 562,249,829.32
  5. Step 5: Solve for x
    x = 562,249,829.32/25,834.60
  6. Step 6: Final answer
    x = 21,763.44

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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.