Home / 22,075.20-30,473.76-14,128.08

Finding the Fourth Proportional to 22,075.20, 30,473.76 and 14,128.08

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Solution

The fourth proportional to 22,075.20, 30,473.76 and 14,128.08 is: 19,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.20 : 30,473.76 = 14,128.08 : x
  2. Step 2: Convert to fraction form
    22,075.20/30,473.76 = 14,128.08/x
  3. Step 3: Cross multiply
    22,075.20x = 30,473.76 × 14,128.08
  4. Step 4: Simplify right side
    22,075.20x = 430,535,719.18
  5. Step 5: Solve for x
    x = 430,535,719.18/22,075.20
  6. Step 6: Final answer
    x = 19,503.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.