Home / 19,809.23-27,341.15-13,095.81

Finding the Fourth Proportional to 19,809.23, 27,341.15 and 13,095.81

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Solution

The fourth proportional to 19,809.23, 27,341.15 and 13,095.81 is: 18,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.23 : 27,341.15 = 13,095.81 : x
  2. Step 2: Convert to fraction form
    19,809.23/27,341.15 = 13,095.81/x
  3. Step 3: Cross multiply
    19,809.23x = 27,341.15 × 13,095.81
  4. Step 4: Simplify right side
    19,809.23x = 358,054,440.10
  5. Step 5: Solve for x
    x = 358,054,440.10/19,809.23
  6. Step 6: Final answer
    x = 18,075.14

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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.