Home / 15,429.60-23,085.90-10,245.60

Finding the Fourth Proportional to 15,429.60, 23,085.90 and 10,245.60

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Solution

The fourth proportional to 15,429.60, 23,085.90 and 10,245.60 is: 15,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.60 : 23,085.90 = 10,245.60 : x
  2. Step 2: Convert to fraction form
    15,429.60/23,085.90 = 10,245.60/x
  3. Step 3: Cross multiply
    15,429.60x = 23,085.90 × 10,245.60
  4. Step 4: Simplify right side
    15,429.60x = 236,528,897.04
  5. Step 5: Solve for x
    x = 236,528,897.04/15,429.60
  6. Step 6: Final answer
    x = 15,329.55

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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.