Home / 15,534.69-23,152.15-15,509.99

Finding the Fourth Proportional to 15,534.69, 23,152.15 and 15,509.99

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Solution

The fourth proportional to 15,534.69, 23,152.15 and 15,509.99 is: 23,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,534.69 : 23,152.15 = 15,509.99 : x
  2. Step 2: Convert to fraction form
    15,534.69/23,152.15 = 15,509.99/x
  3. Step 3: Cross multiply
    15,534.69x = 23,152.15 × 15,509.99
  4. Step 4: Simplify right side
    15,534.69x = 359,089,614.98
  5. Step 5: Solve for x
    x = 359,089,614.98/15,534.69
  6. Step 6: Final answer
    x = 23,115.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.