Home / 15,780.24-23,666.27-4,684.32

Finding the Fourth Proportional to 15,780.24, 23,666.27 and 4,684.32

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Solution

The fourth proportional to 15,780.24, 23,666.27 and 4,684.32 is: 7,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.24 : 23,666.27 = 4,684.32 : x
  2. Step 2: Convert to fraction form
    15,780.24/23,666.27 = 4,684.32/x
  3. Step 3: Cross multiply
    15,780.24x = 23,666.27 × 4,684.32
  4. Step 4: Simplify right side
    15,780.24x = 110,860,358.46
  5. Step 5: Solve for x
    x = 110,860,358.46/15,780.24
  6. Step 6: Final answer
    x = 7,025.26

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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.