Home / 27,070.40-37,357.04-15,133.74

Finding the Fourth Proportional to 27,070.40, 37,357.04 and 15,133.74

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Solution

The fourth proportional to 27,070.40, 37,357.04 and 15,133.74 is: 20,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.40 : 37,357.04 = 15,133.74 : x
  2. Step 2: Convert to fraction form
    27,070.40/37,357.04 = 15,133.74/x
  3. Step 3: Cross multiply
    27,070.40x = 37,357.04 × 15,133.74
  4. Step 4: Simplify right side
    27,070.40x = 565,351,730.53
  5. Step 5: Solve for x
    x = 565,351,730.53/27,070.40
  6. Step 6: Final answer
    x = 20,884.50

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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.