Home / 13,848.87-19,111.47-7,561.23

Finding the Fourth Proportional to 13,848.87, 19,111.47 and 7,561.23

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Solution

The fourth proportional to 13,848.87, 19,111.47 and 7,561.23 is: 10,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.87 : 19,111.47 = 7,561.23 : x
  2. Step 2: Convert to fraction form
    13,848.87/19,111.47 = 7,561.23/x
  3. Step 3: Cross multiply
    13,848.87x = 19,111.47 × 7,561.23
  4. Step 4: Simplify right side
    13,848.87x = 144,506,220.31
  5. Step 5: Solve for x
    x = 144,506,220.31/13,848.87
  6. Step 6: Final answer
    x = 10,434.51

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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.