Home / 15,075.86-22,619.93-5,222.07

Finding the Fourth Proportional to 15,075.86, 22,619.93 and 5,222.07

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Solution

The fourth proportional to 15,075.86, 22,619.93 and 5,222.07 is: 7,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.86 : 22,619.93 = 5,222.07 : x
  2. Step 2: Convert to fraction form
    15,075.86/22,619.93 = 5,222.07/x
  3. Step 3: Cross multiply
    15,075.86x = 22,619.93 × 5,222.07
  4. Step 4: Simplify right side
    15,075.86x = 118,122,831.74
  5. Step 5: Solve for x
    x = 118,122,831.74/15,075.86
  6. Step 6: Final answer
    x = 7,835.23

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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.