Home / 19,823.12-29,734.65-10,938.02

Finding the Fourth Proportional to 19,823.12, 29,734.65 and 10,938.02

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Solution

The fourth proportional to 19,823.12, 29,734.65 and 10,938.02 is: 16,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.12 : 29,734.65 = 10,938.02 : x
  2. Step 2: Convert to fraction form
    19,823.12/29,734.65 = 10,938.02/x
  3. Step 3: Cross multiply
    19,823.12x = 29,734.65 × 10,938.02
  4. Step 4: Simplify right side
    19,823.12x = 325,238,196.39
  5. Step 5: Solve for x
    x = 325,238,196.39/19,823.12
  6. Step 6: Final answer
    x = 16,407.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.