Home / 14,248.47-19,662.84-7,875.39

Finding the Fourth Proportional to 14,248.47, 19,662.84 and 7,875.39

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Solution

The fourth proportional to 14,248.47, 19,662.84 and 7,875.39 is: 10,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.47 : 19,662.84 = 7,875.39 : x
  2. Step 2: Convert to fraction form
    14,248.47/19,662.84 = 7,875.39/x
  3. Step 3: Cross multiply
    14,248.47x = 19,662.84 × 7,875.39
  4. Step 4: Simplify right side
    14,248.47x = 154,852,533.51
  5. Step 5: Solve for x
    x = 154,852,533.51/14,248.47
  6. Step 6: Final answer
    x = 10,868.01

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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.