Home / 27,210.04-37,547.81-15,111.20

Finding the Fourth Proportional to 27,210.04, 37,547.81 and 15,111.20

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Solution

The fourth proportional to 27,210.04, 37,547.81 and 15,111.20 is: 20,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.04 : 37,547.81 = 15,111.20 : x
  2. Step 2: Convert to fraction form
    27,210.04/37,547.81 = 15,111.20/x
  3. Step 3: Cross multiply
    27,210.04x = 37,547.81 × 15,111.20
  4. Step 4: Simplify right side
    27,210.04x = 567,392,466.47
  5. Step 5: Solve for x
    x = 567,392,466.47/27,210.04
  6. Step 6: Final answer
    x = 20,852.32

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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.