Home / 25,055.38-34,570.29-14,987.08

Finding the Fourth Proportional to 25,055.38, 34,570.29 and 14,987.08

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Solution

The fourth proportional to 25,055.38, 34,570.29 and 14,987.08 is: 20,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.38 : 34,570.29 = 14,987.08 : x
  2. Step 2: Convert to fraction form
    25,055.38/34,570.29 = 14,987.08/x
  3. Step 3: Cross multiply
    25,055.38x = 34,570.29 × 14,987.08
  4. Step 4: Simplify right side
    25,055.38x = 518,107,701.85
  5. Step 5: Solve for x
    x = 518,107,701.85/25,055.38
  6. Step 6: Final answer
    x = 20,678.50

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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.