Home / 13,860.79-19,127.95-7,573.16

Finding the Fourth Proportional to 13,860.79, 19,127.95 and 7,573.16

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Solution

The fourth proportional to 13,860.79, 19,127.95 and 7,573.16 is: 10,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.79 : 19,127.95 = 7,573.16 : x
  2. Step 2: Convert to fraction form
    13,860.79/19,127.95 = 7,573.16/x
  3. Step 3: Cross multiply
    13,860.79x = 19,127.95 × 7,573.16
  4. Step 4: Simplify right side
    13,860.79x = 144,859,054.71
  5. Step 5: Solve for x
    x = 144,859,054.71/13,860.79
  6. Step 6: Final answer
    x = 10,451.00

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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.