Home / 19,281.77-26,600.99-12,564.95

Finding the Fourth Proportional to 19,281.77, 26,600.99 and 12,564.95

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Solution

The fourth proportional to 19,281.77, 26,600.99 and 12,564.95 is: 17,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.77 : 26,600.99 = 12,564.95 : x
  2. Step 2: Convert to fraction form
    19,281.77/26,600.99 = 12,564.95/x
  3. Step 3: Cross multiply
    19,281.77x = 26,600.99 × 12,564.95
  4. Step 4: Simplify right side
    19,281.77x = 334,239,913.47
  5. Step 5: Solve for x
    x = 334,239,913.47/19,281.77
  6. Step 6: Final answer
    x = 17,334.51

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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.