Home / 18,547.08-25,603.85-10,587.77

Finding the Fourth Proportional to 18,547.08, 25,603.85 and 10,587.77

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Solution

The fourth proportional to 18,547.08, 25,603.85 and 10,587.77 is: 14,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.08 : 25,603.85 = 10,587.77 : x
  2. Step 2: Convert to fraction form
    18,547.08/25,603.85 = 10,587.77/x
  3. Step 3: Cross multiply
    18,547.08x = 25,603.85 × 10,587.77
  4. Step 4: Simplify right side
    18,547.08x = 271,087,681.83
  5. Step 5: Solve for x
    x = 271,087,681.83/18,547.08
  6. Step 6: Final answer
    x = 14,616.19

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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.