Home / 19,312.83-26,649.81-11,357.01

Finding the Fourth Proportional to 19,312.83, 26,649.81 and 11,357.01

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Solution

The fourth proportional to 19,312.83, 26,649.81 and 11,357.01 is: 15,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.83 : 26,649.81 = 11,357.01 : x
  2. Step 2: Convert to fraction form
    19,312.83/26,649.81 = 11,357.01/x
  3. Step 3: Cross multiply
    19,312.83x = 26,649.81 × 11,357.01
  4. Step 4: Simplify right side
    19,312.83x = 302,662,158.67
  5. Step 5: Solve for x
    x = 302,662,158.67/19,312.83
  6. Step 6: Final answer
    x = 15,671.56

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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.