Home / 19,570.65-27,007.61-10,618.17

Finding the Fourth Proportional to 19,570.65, 27,007.61 and 10,618.17

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Solution

The fourth proportional to 19,570.65, 27,007.61 and 10,618.17 is: 14,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.65 : 27,007.61 = 10,618.17 : x
  2. Step 2: Convert to fraction form
    19,570.65/27,007.61 = 10,618.17/x
  3. Step 3: Cross multiply
    19,570.65x = 27,007.61 × 10,618.17
  4. Step 4: Simplify right side
    19,570.65x = 286,771,341.18
  5. Step 5: Solve for x
    x = 286,771,341.18/19,570.65
  6. Step 6: Final answer
    x = 14,653.13

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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.