Home / 22,368.06-30,864.93-13,867.10

Finding the Fourth Proportional to 22,368.06, 30,864.93 and 13,867.10

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Solution

The fourth proportional to 22,368.06, 30,864.93 and 13,867.10 is: 19,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.06 : 30,864.93 = 13,867.10 : x
  2. Step 2: Convert to fraction form
    22,368.06/30,864.93 = 13,867.10/x
  3. Step 3: Cross multiply
    22,368.06x = 30,864.93 × 13,867.10
  4. Step 4: Simplify right side
    22,368.06x = 428,006,916.48
  5. Step 5: Solve for x
    x = 428,006,916.48/22,368.06
  6. Step 6: Final answer
    x = 19,134.74

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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.