Home / 22,356.66-30,838.47-13,275.85

Finding the Fourth Proportional to 22,356.66, 30,838.47 and 13,275.85

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Solution

The fourth proportional to 22,356.66, 30,838.47 and 13,275.85 is: 18,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.66 : 30,838.47 = 13,275.85 : x
  2. Step 2: Convert to fraction form
    22,356.66/30,838.47 = 13,275.85/x
  3. Step 3: Cross multiply
    22,356.66x = 30,838.47 × 13,275.85
  4. Step 4: Simplify right side
    22,356.66x = 409,406,907.57
  5. Step 5: Solve for x
    x = 409,406,907.57/22,356.66
  6. Step 6: Final answer
    x = 18,312.53

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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.