Home / 13,835.49-20,740.90-5,068.35

Finding the Fourth Proportional to 13,835.49, 20,740.90 and 5,068.35

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Solution

The fourth proportional to 13,835.49, 20,740.90 and 5,068.35 is: 7,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.49 : 20,740.90 = 5,068.35 : x
  2. Step 2: Convert to fraction form
    13,835.49/20,740.90 = 5,068.35/x
  3. Step 3: Cross multiply
    13,835.49x = 20,740.90 × 5,068.35
  4. Step 4: Simplify right side
    13,835.49x = 105,122,140.52
  5. Step 5: Solve for x
    x = 105,122,140.52/13,835.49
  6. Step 6: Final answer
    x = 7,598.01

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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.