Home / 19,877.04-29,803.35-8,465.56

Finding the Fourth Proportional to 19,877.04, 29,803.35 and 8,465.56

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Solution

The fourth proportional to 19,877.04, 29,803.35 and 8,465.56 is: 12,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.04 : 29,803.35 = 8,465.56 : x
  2. Step 2: Convert to fraction form
    19,877.04/29,803.35 = 8,465.56/x
  3. Step 3: Cross multiply
    19,877.04x = 29,803.35 × 8,465.56
  4. Step 4: Simplify right side
    19,877.04x = 252,301,973.12
  5. Step 5: Solve for x
    x = 252,301,973.12/19,877.04
  6. Step 6: Final answer
    x = 12,693.14

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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.