Home / 19,835.16-27,369.95-11,875.70

Finding the Fourth Proportional to 19,835.16, 27,369.95 and 11,875.70

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Solution

The fourth proportional to 19,835.16, 27,369.95 and 11,875.70 is: 16,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.16 : 27,369.95 = 11,875.70 : x
  2. Step 2: Convert to fraction form
    19,835.16/27,369.95 = 11,875.70/x
  3. Step 3: Cross multiply
    19,835.16x = 27,369.95 × 11,875.70
  4. Step 4: Simplify right side
    19,835.16x = 325,037,118.99
  5. Step 5: Solve for x
    x = 325,037,118.99/19,835.16
  6. Step 6: Final answer
    x = 16,386.92

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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.