Home / 19,471.28-26,870.47-10,973.53

Finding the Fourth Proportional to 19,471.28, 26,870.47 and 10,973.53

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Solution

The fourth proportional to 19,471.28, 26,870.47 and 10,973.53 is: 15,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.28 : 26,870.47 = 10,973.53 : x
  2. Step 2: Convert to fraction form
    19,471.28/26,870.47 = 10,973.53/x
  3. Step 3: Cross multiply
    19,471.28x = 26,870.47 × 10,973.53
  4. Step 4: Simplify right side
    19,471.28x = 294,863,914.81
  5. Step 5: Solve for x
    x = 294,863,914.81/19,471.28
  6. Step 6: Final answer
    x = 15,143.53

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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.