Home / 15,657.04-23,485.68-3,970.24

Finding the Fourth Proportional to 15,657.04, 23,485.68 and 3,970.24

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Solution

The fourth proportional to 15,657.04, 23,485.68 and 3,970.24 is: 5,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.04 : 23,485.68 = 3,970.24 : x
  2. Step 2: Convert to fraction form
    15,657.04/23,485.68 = 3,970.24/x
  3. Step 3: Cross multiply
    15,657.04x = 23,485.68 × 3,970.24
  4. Step 4: Simplify right side
    15,657.04x = 93,243,786.16
  5. Step 5: Solve for x
    x = 93,243,786.16/15,657.04
  6. Step 6: Final answer
    x = 5,955.39

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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.