Home / 13,925.51-19,218.22-7,957.05

Finding the Fourth Proportional to 13,925.51, 19,218.22 and 7,957.05

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Solution

The fourth proportional to 13,925.51, 19,218.22 and 7,957.05 is: 10,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.51 : 19,218.22 = 7,957.05 : x
  2. Step 2: Convert to fraction form
    13,925.51/19,218.22 = 7,957.05/x
  3. Step 3: Cross multiply
    13,925.51x = 19,218.22 × 7,957.05
  4. Step 4: Simplify right side
    13,925.51x = 152,920,337.45
  5. Step 5: Solve for x
    x = 152,920,337.45/13,925.51
  6. Step 6: Final answer
    x = 10,981.31

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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.