Home / 19,875.16-27,427.63-11,377.23

Finding the Fourth Proportional to 19,875.16, 27,427.63 and 11,377.23

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Solution

The fourth proportional to 19,875.16, 27,427.63 and 11,377.23 is: 15,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.16 : 27,427.63 = 11,377.23 : x
  2. Step 2: Convert to fraction form
    19,875.16/27,427.63 = 11,377.23/x
  3. Step 3: Cross multiply
    19,875.16x = 27,427.63 × 11,377.23
  4. Step 4: Simplify right side
    19,875.16x = 312,050,412.61
  5. Step 5: Solve for x
    x = 312,050,412.61/19,875.16
  6. Step 6: Final answer
    x = 15,700.53

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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.