Home / 19,913.95-27,475.04-11,298.72

Finding the Fourth Proportional to 19,913.95, 27,475.04 and 11,298.72

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Solution

The fourth proportional to 19,913.95, 27,475.04 and 11,298.72 is: 15,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.95 : 27,475.04 = 11,298.72 : x
  2. Step 2: Convert to fraction form
    19,913.95/27,475.04 = 11,298.72/x
  3. Step 3: Cross multiply
    19,913.95x = 27,475.04 × 11,298.72
  4. Step 4: Simplify right side
    19,913.95x = 310,432,915.23
  5. Step 5: Solve for x
    x = 310,432,915.23/19,913.95
  6. Step 6: Final answer
    x = 15,588.72

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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.